20621193864

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19981777}}^1$

素因数の和:19981829

約数の個数: 32

約数和(自身を含む): 52751893920

約数和(自身を除く): 32130700056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19981777, 39963554, 59945331, 79927108, 119890662, 159854216, 239781324, 479562648, 859216411, 1718432822, 2577649233, 3436865644, 5155298466, 6873731288, 10310596932, 20621193864]

約数ペア:

[(1, 20621193864), (2, 10310596932), (3, 6873731288), (4, 5155298466), (6, 3436865644), (8, 2577649233), (12, 1718432822), (24, 859216411), (43, 479562648), (86, 239781324), (129, 159854216), (172, 119890662), (258, 79927108), (344, 59945331), (516, 39963554), (1032, 19981777)]