20015312

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18671}}^1$

素因数の和:18746

約数の個数: 20

約数和(自身を含む): 39360576

約数和(自身を除く): 19345264

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18671, 37342, 74684, 149368, 298736, 1250957, 2501914, 5003828, 10007656, 20015312]

約数ペア:

[(1, 20015312), (2, 10007656), (4, 5003828), (8, 2501914), (16, 1250957), (67, 298736), (134, 149368), (268, 74684), (536, 37342), (1072, 18671)]