20897958576

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{6481}}^1$

素因数の和:6731

約数の個数: 160

約数和(自身を含む): 61112088576

約数和(自身を除く): 40214130000

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 197, 248, 264, 341, 372, 394, 496, 528, 591, 682, 744, 788, 1023, 1182, 1364, 1488, 1576, 2046, 2167, 2364, 2728, 3152, 4092, 4334, 4728, 5456, 6107, 6481, 6501, 8184, 8668, 9456, 12214, 12962, 13002, 16368, 17336, 18321, 19443, 24428, 25924, 26004, 34672, 36642, 38886, 48856, 51848, 52008, 67177, 71291, 73284, 77772, 97712, 103696, 104016, 134354, 142582, 146568, 155544, 200911, 201531, 213873, 268708, 285164, 293136, 311088, 401822, 403062, 427746, 537416, 570328, 602733, 803644, 806124, 855492, 1074832, 1140656, 1205466, 1276757, 1607288, 1612248, 1710984, 2210021, 2410932, 2553514, 3214576, 3224496, 3421968, 3830271, 4420042, 4821864, 5107028, 6630063, 7660542, 8840084, 9643728, 10214056, 13260126, 14044327, 15321084, 17680168, 20428112, 26520252, 28088654, 30642168, 35360336, 39579467, 42132981, 53040504, 56177308, 61284336, 79158934, 84265962, 106081008, 112354616, 118738401, 158317868, 168531924, 224709232, 237476802, 316635736, 337063848, 435374137, 474953604, 633271472, 674127696, 870748274, 949907208, 1306122411, 1741496548, 1899814416, 2612244822, 3482993096, 5224489644, 6965986192, 10448979288, 20897958576]

約数ペア:

[(1, 20897958576), (2, 10448979288), (3, 6965986192), (4, 5224489644), (6, 3482993096), (8, 2612244822), (11, 1899814416), (12, 1741496548), (16, 1306122411), (22, 949907208), (24, 870748274), (31, 674127696), (33, 633271472), (44, 474953604), (48, 435374137), (62, 337063848), (66, 316635736), (88, 237476802), (93, 224709232), (124, 168531924), (132, 158317868), (176, 118738401), (186, 112354616), (197, 106081008), (248, 84265962), (264, 79158934), (341, 61284336), (372, 56177308), (394, 53040504), (496, 42132981), (528, 39579467), (591, 35360336), (682, 30642168), (744, 28088654), (788, 26520252), (1023, 20428112), (1182, 17680168), (1364, 15321084), (1488, 14044327), (1576, 13260126), (2046, 10214056), (2167, 9643728), (2364, 8840084), (2728, 7660542), (3152, 6630063), (4092, 5107028), (4334, 4821864), (4728, 4420042), (5456, 3830271), (6107, 3421968), (6481, 3224496), (6501, 3214576), (8184, 2553514), (8668, 2410932), (9456, 2210021), (12214, 1710984), (12962, 1612248), (13002, 1607288), (16368, 1276757), (17336, 1205466), (18321, 1140656), (19443, 1074832), (24428, 855492), (25924, 806124), (26004, 803644), (34672, 602733), (36642, 570328), (38886, 537416), (48856, 427746), (51848, 403062), (52008, 401822), (67177, 311088), (71291, 293136), (73284, 285164), (77772, 268708), (97712, 213873), (103696, 201531), (104016, 200911), (134354, 155544), (142582, 146568)]