20668149840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20509}}^1$

素因数の和:20574

約数の個数: 320

約数和(自身を含む): 76907577600

約数和(自身を除く): 56239427760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 19, 20, 24, 26, 30, 34, 38, 39, 40, 48, 51, 52, 57, 60, 65, 68, 76, 78, 80, 85, 95, 102, 104, 114, 120, 130, 136, 152, 156, 170, 190, 195, 204, 208, 221, 228, 240, 247, 255, 260, 272, 285, 304, 312, 323, 340, 380, 390, 408, 442, 456, 494, 510, 520, 570, 624, 646, 663, 680, 741, 760, 780, 816, 884, 912, 969, 988, 1020, 1040, 1105, 1140, 1235, 1292, 1326, 1360, 1482, 1520, 1560, 1615, 1768, 1938, 1976, 2040, 2210, 2280, 2470, 2584, 2652, 2964, 3120, 3230, 3315, 3536, 3705, 3876, 3952, 4080, 4199, 4420, 4560, 4845, 4940, 5168, 5304, 5928, 6460, 6630, 7410, 7752, 8398, 8840, 9690, 9880, 10608, 11856, 12597, 12920, 13260, 14820, 15504, 16796, 17680, 19380, 19760, 20509, 20995, 25194, 25840, 26520, 29640, 33592, 38760, 41018, 41990, 50388, 53040, 59280, 61527, 62985, 67184, 77520, 82036, 83980, 100776, 102545, 123054, 125970, 164072, 167960, 201552, 205090, 246108, 251940, 266617, 307635, 328144, 335920, 348653, 389671, 410180, 492216, 503880, 533234, 615270, 697306, 779342, 799851, 820360, 984432, 1007760, 1045959, 1066468, 1169013, 1230540, 1333085, 1394612, 1558684, 1599702, 1640720, 1743265, 1948355, 2091918, 2132936, 2338026, 2461080, 2666170, 2789224, 3117368, 3199404, 3486530, 3896710, 3999255, 4183836, 4265872, 4532489, 4676052, 4922160, 5065723, 5229795, 5332340, 5578448, 5845065, 6234736, 6398808, 6624407, 6973060, 7793420, 7998510, 8367672, 9064978, 9352104, 10131446, 10459590, 10664680, 11690130, 12797616, 13248814, 13597467, 13946120, 15197169, 15586840, 15997020, 16735344, 18129956, 18704208, 19873221, 20262892, 20919180, 21329360, 22662445, 23380260, 25328615, 26497628, 27194934, 27892240, 30394338, 31173680, 31994040, 33122035, 36259912, 39746442, 40525784, 41838360, 45324890, 46760520, 50657230, 52995256, 54389868, 60788676, 63988080, 66244070, 67987335, 72519824, 75985845, 79492884, 81051568, 83676720, 86117291, 90649780, 93521040, 99366105, 101314460, 105990512, 108779736, 121577352, 132488140, 135974670, 151971690, 158985768, 172234582, 181299560, 198732210, 202628920, 217559472, 243154704, 258351873, 264976280, 271949340, 303943380, 317971536, 344469164, 362599120, 397464420, 405257840, 430586455, 516703746, 529952560, 543898680, 607886760, 688938328, 794928840, 861172910, 1033407492, 1087797360, 1215773520, 1291759365, 1377876656, 1589857680, 1722345820, 2066814984, 2583518730, 3444691640, 4133629968, 5167037460, 6889383280, 10334074920, 20668149840]

約数ペア:

[(1, 20668149840), (2, 10334074920), (3, 6889383280), (4, 5167037460), (5, 4133629968), (6, 3444691640), (8, 2583518730), (10, 2066814984), (12, 1722345820), (13, 1589857680), (15, 1377876656), (16, 1291759365), (17, 1215773520), (19, 1087797360), (20, 1033407492), (24, 861172910), (26, 794928840), (30, 688938328), (34, 607886760), (38, 543898680), (39, 529952560), (40, 516703746), (48, 430586455), (51, 405257840), (52, 397464420), (57, 362599120), (60, 344469164), (65, 317971536), (68, 303943380), (76, 271949340), (78, 264976280), (80, 258351873), (85, 243154704), (95, 217559472), (102, 202628920), (104, 198732210), (114, 181299560), (120, 172234582), (130, 158985768), (136, 151971690), (152, 135974670), (156, 132488140), (170, 121577352), (190, 108779736), (195, 105990512), (204, 101314460), (208, 99366105), (221, 93521040), (228, 90649780), (240, 86117291), (247, 83676720), (255, 81051568), (260, 79492884), (272, 75985845), (285, 72519824), (304, 67987335), (312, 66244070), (323, 63988080), (340, 60788676), (380, 54389868), (390, 52995256), (408, 50657230), (442, 46760520), (456, 45324890), (494, 41838360), (510, 40525784), (520, 39746442), (570, 36259912), (624, 33122035), (646, 31994040), (663, 31173680), (680, 30394338), (741, 27892240), (760, 27194934), (780, 26497628), (816, 25328615), (884, 23380260), (912, 22662445), (969, 21329360), (988, 20919180), (1020, 20262892), (1040, 19873221), (1105, 18704208), (1140, 18129956), (1235, 16735344), (1292, 15997020), (1326, 15586840), (1360, 15197169), (1482, 13946120), (1520, 13597467), (1560, 13248814), (1615, 12797616), (1768, 11690130), (1938, 10664680), (1976, 10459590), (2040, 10131446), (2210, 9352104), (2280, 9064978), (2470, 8367672), (2584, 7998510), (2652, 7793420), (2964, 6973060), (3120, 6624407), (3230, 6398808), (3315, 6234736), (3536, 5845065), (3705, 5578448), (3876, 5332340), (3952, 5229795), (4080, 5065723), (4199, 4922160), (4420, 4676052), (4560, 4532489), (4845, 4265872), (4940, 4183836), (5168, 3999255), (5304, 3896710), (5928, 3486530), (6460, 3199404), (6630, 3117368), (7410, 2789224), (7752, 2666170), (8398, 2461080), (8840, 2338026), (9690, 2132936), (9880, 2091918), (10608, 1948355), (11856, 1743265), (12597, 1640720), (12920, 1599702), (13260, 1558684), (14820, 1394612), (15504, 1333085), (16796, 1230540), (17680, 1169013), (19380, 1066468), (19760, 1045959), (20509, 1007760), (20995, 984432), (25194, 820360), (25840, 799851), (26520, 779342), (29640, 697306), (33592, 615270), (38760, 533234), (41018, 503880), (41990, 492216), (50388, 410180), (53040, 389671), (59280, 348653), (61527, 335920), (62985, 328144), (67184, 307635), (77520, 266617), (82036, 251940), (83980, 246108), (100776, 205090), (102545, 201552), (123054, 167960), (125970, 164072)]