20089310

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9521}}^1$

素因数の和:9739

約数の個数: 16

約数和(自身を含む): 36335952

約数和(自身を除く): 16246642

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9521, 19042, 47605, 95210, 2008931, 4017862, 10044655, 20089310]

約数ペア:

[(1, 20089310), (2, 10044655), (5, 4017862), (10, 2008931), (211, 95210), (422, 47605), (1055, 19042), (2110, 9521)]