20701392

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 55954752

約数和(自身を除く): 35253360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 67, 82, 123, 134, 157, 164, 201, 246, 268, 314, 328, 402, 471, 492, 536, 628, 656, 804, 942, 984, 1072, 1256, 1608, 1884, 1968, 2512, 2747, 3216, 3768, 5494, 6437, 7536, 8241, 10519, 10988, 12874, 16482, 19311, 21038, 21976, 25748, 31557, 32964, 38622, 42076, 43952, 51496, 63114, 65928, 77244, 84152, 102992, 126228, 131856, 154488, 168304, 252456, 308976, 431279, 504912, 862558, 1293837, 1725116, 2587674, 3450232, 5175348, 6900464, 10350696, 20701392]

約数ペア:

[(1, 20701392), (2, 10350696), (3, 6900464), (4, 5175348), (6, 3450232), (8, 2587674), (12, 1725116), (16, 1293837), (24, 862558), (41, 504912), (48, 431279), (67, 308976), (82, 252456), (123, 168304), (134, 154488), (157, 131856), (164, 126228), (201, 102992), (246, 84152), (268, 77244), (314, 65928), (328, 63114), (402, 51496), (471, 43952), (492, 42076), (536, 38622), (628, 32964), (656, 31557), (804, 25748), (942, 21976), (984, 21038), (1072, 19311), (1256, 16482), (1608, 12874), (1884, 10988), (1968, 10519), (2512, 8241), (2747, 7536), (3216, 6437), (3768, 5494)]