20816790720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{24953}}^1$

素因数の和:25063

約数の個数: 224

約数和(自身を含む): 73017400320

約数和(自身を除く): 52200609600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 79, 80, 88, 96, 110, 120, 132, 158, 160, 165, 176, 192, 220, 237, 240, 264, 316, 320, 330, 352, 395, 440, 474, 480, 528, 632, 660, 704, 790, 869, 880, 948, 960, 1056, 1185, 1264, 1320, 1580, 1738, 1760, 1896, 2112, 2370, 2528, 2607, 2640, 3160, 3476, 3520, 3792, 4345, 4740, 5056, 5214, 5280, 6320, 6952, 7584, 8690, 9480, 10428, 10560, 12640, 13035, 13904, 15168, 17380, 18960, 20856, 24953, 25280, 26070, 27808, 34760, 37920, 41712, 49906, 52140, 55616, 69520, 74859, 75840, 83424, 99812, 104280, 124765, 139040, 149718, 166848, 199624, 208560, 249530, 274483, 278080, 299436, 374295, 399248, 417120, 499060, 548966, 598872, 748590, 798496, 823449, 834240, 998120, 1097932, 1197744, 1372415, 1497180, 1596992, 1646898, 1971287, 1996240, 2195864, 2395488, 2744830, 2994360, 3293796, 3942574, 3992480, 4117245, 4391728, 4790976, 5489660, 5913861, 5988720, 6587592, 7885148, 7984960, 8234490, 8783456, 9856435, 10979320, 11827722, 11977440, 13175184, 15770296, 16468980, 17566912, 19712870, 21684157, 21958640, 23655444, 23954880, 26350368, 29569305, 31540592, 32937960, 39425740, 43368314, 43917280, 47310888, 52700736, 59138610, 63081184, 65052471, 65875920, 78851480, 86736628, 87834560, 94621776, 108420785, 118277220, 126162368, 130104942, 131751840, 157702960, 173473256, 189243552, 216841570, 236554440, 260209884, 263503680, 315405920, 325262355, 346946512, 378487104, 433683140, 473108880, 520419768, 630811840, 650524710, 693893024, 867366280, 946217760, 1040839536, 1301049420, 1387786048, 1734732560, 1892435520, 2081679072, 2602098840, 3469465120, 4163358144, 5204197680, 6938930240, 10408395360, 20816790720]

約数ペア:

[(1, 20816790720), (2, 10408395360), (3, 6938930240), (4, 5204197680), (5, 4163358144), (6, 3469465120), (8, 2602098840), (10, 2081679072), (11, 1892435520), (12, 1734732560), (15, 1387786048), (16, 1301049420), (20, 1040839536), (22, 946217760), (24, 867366280), (30, 693893024), (32, 650524710), (33, 630811840), (40, 520419768), (44, 473108880), (48, 433683140), (55, 378487104), (60, 346946512), (64, 325262355), (66, 315405920), (79, 263503680), (80, 260209884), (88, 236554440), (96, 216841570), (110, 189243552), (120, 173473256), (132, 157702960), (158, 131751840), (160, 130104942), (165, 126162368), (176, 118277220), (192, 108420785), (220, 94621776), (237, 87834560), (240, 86736628), (264, 78851480), (316, 65875920), (320, 65052471), (330, 63081184), (352, 59138610), (395, 52700736), (440, 47310888), (474, 43917280), (480, 43368314), (528, 39425740), (632, 32937960), (660, 31540592), (704, 29569305), (790, 26350368), (869, 23954880), (880, 23655444), (948, 21958640), (960, 21684157), (1056, 19712870), (1185, 17566912), (1264, 16468980), (1320, 15770296), (1580, 13175184), (1738, 11977440), (1760, 11827722), (1896, 10979320), (2112, 9856435), (2370, 8783456), (2528, 8234490), (2607, 7984960), (2640, 7885148), (3160, 6587592), (3476, 5988720), (3520, 5913861), (3792, 5489660), (4345, 4790976), (4740, 4391728), (5056, 4117245), (5214, 3992480), (5280, 3942574), (6320, 3293796), (6952, 2994360), (7584, 2744830), (8690, 2395488), (9480, 2195864), (10428, 1996240), (10560, 1971287), (12640, 1646898), (13035, 1596992), (13904, 1497180), (15168, 1372415), (17380, 1197744), (18960, 1097932), (20856, 998120), (24953, 834240), (25280, 823449), (26070, 798496), (27808, 748590), (34760, 598872), (37920, 548966), (41712, 499060), (49906, 417120), (52140, 399248), (55616, 374295), (69520, 299436), (74859, 278080), (75840, 274483), (83424, 249530), (99812, 208560), (104280, 199624), (124765, 166848), (139040, 149718)]