20128567654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{674957}}^1$

素因数の和:675040

約数の個数: 32

約数和(自身を含む): 34471454976

約数和(自身を除く): 14342887322

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 806, 962, 1147, 2294, 14911, 29822, 674957, 1349914, 8774441, 17548882, 20923667, 24973409, 41847334, 49946818, 272007671, 324654317, 544015342, 649308634, 774175679, 1548351358, 10064283827, 20128567654]

約数ペア:

[(1, 20128567654), (2, 10064283827), (13, 1548351358), (26, 774175679), (31, 649308634), (37, 544015342), (62, 324654317), (74, 272007671), (403, 49946818), (481, 41847334), (806, 24973409), (962, 20923667), (1147, 17548882), (2294, 8774441), (14911, 1349914), (29822, 674957)]