20426744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3329}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 41958000

約数和(自身を除く): 21531256

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3329, 6136, 6658, 13316, 26632, 43277, 86554, 173108, 196411, 346216, 392822, 785644, 1571288, 2553343, 5106686, 10213372, 20426744]

約数ペア:

[(1, 20426744), (2, 10213372), (4, 5106686), (8, 2553343), (13, 1571288), (26, 785644), (52, 392822), (59, 346216), (104, 196411), (118, 173108), (236, 86554), (472, 43277), (767, 26632), (1534, 13316), (3068, 6658), (3329, 6136)]