20126421238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{394837}}^1$

素因数の和:395188

約数の個数: 32

約数和(自身を含む): 37752830208

約数和(自身を除く): 17626408970

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 331, 662, 2317, 3641, 4634, 7282, 25487, 50974, 394837, 789674, 2763859, 4343207, 5527718, 8686414, 30402449, 60804898, 130691047, 261382094, 914837329, 1437601517, 1829674658, 2875203034, 10063210619, 20126421238]

約数ペア:

[(1, 20126421238), (2, 10063210619), (7, 2875203034), (11, 1829674658), (14, 1437601517), (22, 914837329), (77, 261382094), (154, 130691047), (331, 60804898), (662, 30402449), (2317, 8686414), (3641, 5527718), (4634, 4343207), (7282, 2763859), (25487, 789674), (50974, 394837)]