2019569620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{478571}}^1$

素因数の和:478791

約数の個数: 24

約数和(自身を含む): 4261205088

約数和(自身を除く): 2241635468

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 478571, 957142, 1914284, 2392855, 4785710, 9571420, 100978481, 201956962, 403913924, 504892405, 1009784810, 2019569620]

約数ペア:

[(1, 2019569620), (2, 1009784810), (4, 504892405), (5, 403913924), (10, 201956962), (20, 100978481), (211, 9571420), (422, 4785710), (844, 2392855), (1055, 1914284), (2110, 957142), (4220, 478571)]