20450355

素因数分解:

$3^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1801}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 32781984

約数和(自身を除く): 12331629

約数列:

[1, 3, 5, 15, 757, 1801, 2271, 3785, 5403, 9005, 11355, 27015, 1363357, 4090071, 6816785, 20450355]

約数ペア:

[(1, 20450355), (3, 6816785), (5, 4090071), (15, 1363357), (757, 27015), (1801, 11355), (2271, 9005), (3785, 5403)]