20525276

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 37551360

約数和(自身を除く): 17026084

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 2021, 2539, 4042, 5078, 8084, 10156, 109177, 119333, 218354, 238666, 436708, 477332, 5131319, 10262638, 20525276]

約数ペア:

[(1, 20525276), (2, 10262638), (4, 5131319), (43, 477332), (47, 436708), (86, 238666), (94, 218354), (172, 119333), (188, 109177), (2021, 10156), (2539, 8084), (4042, 5078)]