20604865208

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{385397}}^1$

素因数の和:385607

約数の個数: 32

約数和(自身を含む): 39819321360

約数和(自身を除く): 19214456152

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 652, 1304, 6683, 13366, 26732, 53464, 385397, 770794, 1541588, 3083176, 15801277, 31602554, 62819711, 63205108, 125639422, 126410216, 251278844, 502557688, 2575608151, 5151216302, 10302432604, 20604865208]

約数ペア:

[(1, 20604865208), (2, 10302432604), (4, 5151216302), (8, 2575608151), (41, 502557688), (82, 251278844), (163, 126410216), (164, 125639422), (326, 63205108), (328, 62819711), (652, 31602554), (1304, 15801277), (6683, 3083176), (13366, 1541588), (26732, 770794), (53464, 385397)]