20103940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24517}}^1$

素因数の和:24567

約数の個数: 24

約数和(自身を含む): 43249752

約数和(自身を除く): 23145812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24517, 49034, 98068, 122585, 245170, 490340, 1005197, 2010394, 4020788, 5025985, 10051970, 20103940]

約数ペア:

[(1, 20103940), (2, 10051970), (4, 5025985), (5, 4020788), (10, 2010394), (20, 1005197), (41, 490340), (82, 245170), (164, 122585), (205, 98068), (410, 49034), (820, 24517)]