20431576

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21107}}^1$

素因数の和:21135

約数の個数: 24

約数和(自身を含む): 42110460

約数和(自身を除く): 21678884

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21107, 42214, 84428, 168856, 232177, 464354, 928708, 1857416, 2553947, 5107894, 10215788, 20431576]

約数ペア:

[(1, 20431576), (2, 10215788), (4, 5107894), (8, 2553947), (11, 1857416), (22, 928708), (44, 464354), (88, 232177), (121, 168856), (242, 84428), (484, 42214), (968, 21107)]