20657981344

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 432

約数和(自身を含む): 58986053280

約数和(自身を除く): 38328071936

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 19, 22, 26, 28, 32, 38, 44, 49, 52, 56, 76, 77, 88, 91, 98, 104, 112, 133, 143, 152, 154, 169, 176, 182, 196, 208, 209, 224, 247, 266, 286, 304, 308, 338, 352, 364, 373, 392, 416, 418, 494, 532, 539, 572, 608, 616, 637, 676, 728, 746, 784, 836, 931, 988, 1001, 1064, 1078, 1144, 1183, 1232, 1274, 1352, 1456, 1463, 1492, 1568, 1672, 1729, 1859, 1862, 1976, 2002, 2128, 2156, 2288, 2366, 2464, 2548, 2611, 2704, 2717, 2912, 2926, 2984, 3211, 3344, 3458, 3718, 3724, 3952, 4004, 4103, 4256, 4312, 4576, 4732, 4849, 5096, 5222, 5408, 5434, 5852, 5968, 6422, 6688, 6916, 7007, 7087, 7436, 7448, 7904, 8008, 8206, 8281, 8624, 9464, 9698, 10192, 10241, 10444, 10868, 11704, 11936, 12103, 12844, 13013, 13832, 14014, 14174, 14872, 14896, 16016, 16412, 16562, 17248, 18277, 18928, 19019, 19396, 20384, 20482, 20888, 21736, 22477, 23408, 24206, 25688, 26026, 27664, 28028, 28348, 28721, 29744, 29792, 32032, 32824, 33124, 33943, 35321, 36554, 37856, 38038, 38792, 40964, 41776, 43472, 44954, 46816, 48412, 49609, 51376, 52052, 53339, 55328, 56056, 56696, 57442, 59488, 63037, 65648, 66248, 67886, 70642, 73108, 76076, 77584, 77957, 81928, 83552, 86944, 89908, 91091, 92131, 96824, 99218, 102752, 104104, 106678, 112112, 113392, 114884, 126074, 131296, 132496, 133133, 135772, 141284, 146216, 152152, 155168, 155914, 157339, 163856, 179816, 182182, 184262, 193648, 198436, 201047, 208208, 213356, 224224, 226784, 229768, 237601, 247247, 252148, 264992, 266266, 271544, 282568, 292432, 304304, 311828, 314678, 327712, 347263, 359632, 364364, 368524, 373373, 387296, 396872, 402094, 416416, 426712, 441259, 459536, 475202, 494494, 504296, 532532, 543088, 545699, 565136, 584864, 608608, 623656, 629356, 644917, 693407, 694526, 719264, 728728, 737048, 746746, 793744, 804188, 853424, 882518, 919072, 950404, 988988, 1008592, 1013441, 1065064, 1086176, 1091398, 1130272, 1197703, 1247312, 1258712, 1289834, 1386814, 1389052, 1457456, 1474096, 1493492, 1587488, 1608376, 1706848, 1730729, 1765036, 1900808, 1977976, 2017184, 2026882, 2130128, 2182796, 2395406, 2494624, 2517424, 2579668, 2613611, 2773628, 2778104, 2914912, 2948192, 2986984, 3088813, 3216752, 3461458, 3530072, 3801616, 3819893, 3955952, 4053764, 4260256, 4365592, 4514419, 4790812, 4853849, 5034848, 5159336, 5227222, 5547256, 5556208, 5973968, 6177626, 6433504, 6922916, 7060144, 7094087, 7603232, 7639786, 7911904, 8107528, 8383921, 8731184, 9028838, 9581624, 9707698, 10318672, 10454444, 11094512, 11112416, 11947936, 12355252, 13174733, 13845832, 14120288, 14188174, 15279572, 16215056, 16767842, 17462368, 18057676, 19163248, 19415396, 20637344, 20908888, 22189024, 24710504, 26349466, 27691664, 28376348, 30559144, 32430112, 33535684, 33976943, 36115352, 38326496, 38830792, 41817776, 49421008, 49658609, 52698932, 55383328, 56752696, 58687447, 61118288, 67071368, 67953886, 72230704, 77661584, 83635552, 92223131, 98842016, 99317218, 105397864, 113505392, 117374894, 122236576, 134142736, 135907772, 144461408, 155323168, 184446262, 198634436, 210795728, 227010784, 234749788, 268285472, 271815544, 368892524, 397268872, 421591456, 469499576, 543631088, 645561917, 737785048, 794537744, 938999152, 1087262176, 1291123834, 1475570096, 1589075488, 1877998304, 2582247668, 2951140192, 5164495336, 10328990672, 20657981344]

約数ペア:

[(1, 20657981344), (2, 10328990672), (4, 5164495336), (7, 2951140192), (8, 2582247668), (11, 1877998304), (13, 1589075488), (14, 1475570096), (16, 1291123834), (19, 1087262176), (22, 938999152), (26, 794537744), (28, 737785048), (32, 645561917), (38, 543631088), (44, 469499576), (49, 421591456), (52, 397268872), (56, 368892524), (76, 271815544), (77, 268285472), (88, 234749788), (91, 227010784), (98, 210795728), (104, 198634436), (112, 184446262), (133, 155323168), (143, 144461408), (152, 135907772), (154, 134142736), (169, 122236576), (176, 117374894), (182, 113505392), (196, 105397864), (208, 99317218), (209, 98842016), (224, 92223131), (247, 83635552), (266, 77661584), (286, 72230704), (304, 67953886), (308, 67071368), (338, 61118288), (352, 58687447), (364, 56752696), (373, 55383328), (392, 52698932), (416, 49658609), (418, 49421008), (494, 41817776), (532, 38830792), (539, 38326496), (572, 36115352), (608, 33976943), (616, 33535684), (637, 32430112), (676, 30559144), (728, 28376348), (746, 27691664), (784, 26349466), (836, 24710504), (931, 22189024), (988, 20908888), (1001, 20637344), (1064, 19415396), (1078, 19163248), (1144, 18057676), (1183, 17462368), (1232, 16767842), (1274, 16215056), (1352, 15279572), (1456, 14188174), (1463, 14120288), (1492, 13845832), (1568, 13174733), (1672, 12355252), (1729, 11947936), (1859, 11112416), (1862, 11094512), (1976, 10454444), (2002, 10318672), (2128, 9707698), (2156, 9581624), (2288, 9028838), (2366, 8731184), (2464, 8383921), (2548, 8107528), (2611, 7911904), (2704, 7639786), (2717, 7603232), (2912, 7094087), (2926, 7060144), (2984, 6922916), (3211, 6433504), (3344, 6177626), (3458, 5973968), (3718, 5556208), (3724, 5547256), (3952, 5227222), (4004, 5159336), (4103, 5034848), (4256, 4853849), (4312, 4790812), (4576, 4514419), (4732, 4365592), (4849, 4260256), (5096, 4053764), (5222, 3955952), (5408, 3819893), (5434, 3801616), (5852, 3530072), (5968, 3461458), (6422, 3216752), (6688, 3088813), (6916, 2986984), (7007, 2948192), (7087, 2914912), (7436, 2778104), (7448, 2773628), (7904, 2613611), (8008, 2579668), (8206, 2517424), (8281, 2494624), (8624, 2395406), (9464, 2182796), (9698, 2130128), (10192, 2026882), (10241, 2017184), (10444, 1977976), (10868, 1900808), (11704, 1765036), (11936, 1730729), (12103, 1706848), (12844, 1608376), (13013, 1587488), (13832, 1493492), (14014, 1474096), (14174, 1457456), (14872, 1389052), (14896, 1386814), (16016, 1289834), (16412, 1258712), (16562, 1247312), (17248, 1197703), (18277, 1130272), (18928, 1091398), (19019, 1086176), (19396, 1065064), (20384, 1013441), (20482, 1008592), (20888, 988988), (21736, 950404), (22477, 919072), (23408, 882518), (24206, 853424), (25688, 804188), (26026, 793744), (27664, 746746), (28028, 737048), (28348, 728728), (28721, 719264), (29744, 694526), (29792, 693407), (32032, 644917), (32824, 629356), (33124, 623656), (33943, 608608), (35321, 584864), (36554, 565136), (37856, 545699), (38038, 543088), (38792, 532532), (40964, 504296), (41776, 494494), (43472, 475202), (44954, 459536), (46816, 441259), (48412, 426712), (49609, 416416), (51376, 402094), (52052, 396872), (53339, 387296), (55328, 373373), (56056, 368524), (56696, 364364), (57442, 359632), (59488, 347263), (63037, 327712), (65648, 314678), (66248, 311828), (67886, 304304), (70642, 292432), (73108, 282568), (76076, 271544), (77584, 266266), (77957, 264992), (81928, 252148), (83552, 247247), (86944, 237601), (89908, 229768), (91091, 226784), (92131, 224224), (96824, 213356), (99218, 208208), (102752, 201047), (104104, 198436), (106678, 193648), (112112, 184262), (113392, 182182), (114884, 179816), (126074, 163856), (131296, 157339), (132496, 155914), (133133, 155168), (135772, 152152), (141284, 146216)]