20838456

素因数分解:

$2^3\times 3^2\times {\mathrm{289423}}^1$

素因数の和:289435

約数の個数: 24

約数和(自身を含む): 56437680

約数和(自身を除く): 35599224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289423, 578846, 868269, 1157692, 1736538, 2315384, 2604807, 3473076, 5209614, 6946152, 10419228, 20838456]

約数ペア:

[(1, 20838456), (2, 10419228), (3, 6946152), (4, 5209614), (6, 3473076), (8, 2604807), (9, 2315384), (12, 1736538), (18, 1157692), (24, 868269), (36, 578846), (72, 289423)]