20015848

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18540152

約数列:

[1, 2, 4, 8, 67, 107, 134, 214, 268, 349, 428, 536, 698, 856, 1396, 2792, 7169, 14338, 23383, 28676, 37343, 46766, 57352, 74686, 93532, 149372, 187064, 298744, 2501981, 5003962, 10007924, 20015848]

約数ペア:

[(1, 20015848), (2, 10007924), (4, 5003962), (8, 2501981), (67, 298744), (107, 187064), (134, 149372), (214, 93532), (268, 74686), (349, 57352), (428, 46766), (536, 37343), (698, 28676), (856, 23383), (1396, 14338), (2792, 7169)]