20512474570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{2411}}^1$

素因数の和:2708

約数の個数: 96

約数和(自身を含む): 43653919680

約数和(自身を除く): 23141445110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 97, 98, 179, 194, 245, 358, 485, 490, 679, 895, 970, 1253, 1358, 1790, 2411, 2506, 3395, 4753, 4822, 6265, 6790, 8771, 9506, 12055, 12530, 16877, 17363, 17542, 23765, 24110, 33754, 34726, 43855, 47530, 84385, 86815, 87710, 118139, 121541, 168770, 173630, 233867, 236278, 243082, 431569, 467734, 590695, 607705, 850787, 863138, 1169335, 1181390, 1215410, 1637069, 1701574, 2157845, 2338670, 3020983, 3274138, 4253935, 4315690, 6041966, 8185345, 8507870, 11459483, 15104915, 16370690, 21146881, 22918966, 30209830, 41862193, 42293762, 57297415, 83724386, 105734405, 114594830, 209310965, 211468810, 293035351, 418621930, 586070702, 1465176755, 2051247457, 2930353510, 4102494914, 10256237285, 20512474570]

約数ペア:

[(1, 20512474570), (2, 10256237285), (5, 4102494914), (7, 2930353510), (10, 2051247457), (14, 1465176755), (35, 586070702), (49, 418621930), (70, 293035351), (97, 211468810), (98, 209310965), (179, 114594830), (194, 105734405), (245, 83724386), (358, 57297415), (485, 42293762), (490, 41862193), (679, 30209830), (895, 22918966), (970, 21146881), (1253, 16370690), (1358, 15104915), (1790, 11459483), (2411, 8507870), (2506, 8185345), (3395, 6041966), (4753, 4315690), (4822, 4253935), (6265, 3274138), (6790, 3020983), (8771, 2338670), (9506, 2157845), (12055, 1701574), (12530, 1637069), (16877, 1215410), (17363, 1181390), (17542, 1169335), (23765, 863138), (24110, 850787), (33754, 607705), (34726, 590695), (43855, 467734), (47530, 431569), (84385, 243082), (86815, 236278), (87710, 233867), (118139, 173630), (121541, 168770)]