38678020

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1571}}^1$

素因数の和:2811

約数の個数: 24

約数和(自身を含む): 81341568

約数和(自身を除く): 42663548

約数列:

[1, 2, 4, 5, 10, 20, 1231, 1571, 2462, 3142, 4924, 6155, 6284, 7855, 12310, 15710, 24620, 31420, 1933901, 3867802, 7735604, 9669505, 19339010, 38678020]

約数ペア:

[(1, 38678020), (2, 19339010), (4, 9669505), (5, 7735604), (10, 3867802), (20, 1933901), (1231, 31420), (1571, 24620), (2462, 15710), (3142, 12310), (4924, 7855), (6155, 6284)]