20403380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17291}}^1$

素因数の和:17359

約数の個数: 24

約数和(自身を含む): 43575840

約数和(自身を除く): 23172460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17291, 34582, 69164, 86455, 172910, 345820, 1020169, 2040338, 4080676, 5100845, 10201690, 20403380]

約数ペア:

[(1, 20403380), (2, 10201690), (4, 5100845), (5, 4080676), (10, 2040338), (20, 1020169), (59, 345820), (118, 172910), (236, 86455), (295, 69164), (590, 34582), (1180, 17291)]