20177794352

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40681037}}^1$

素因数の和:40681076

約数の個数: 20

約数和(自身を含む): 40355589696

約数和(自身を除く): 20177795344

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40681037, 81362074, 162724148, 325448296, 650896592, 1261112147, 2522224294, 5044448588, 10088897176, 20177794352]

約数ペア:

[(1, 20177794352), (2, 10088897176), (4, 5044448588), (8, 2522224294), (16, 1261112147), (31, 650896592), (62, 325448296), (124, 162724148), (248, 81362074), (496, 40681037)]