20126995

素因数分解:

$5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 28383264

約数和(自身を除く): 8256269

約数列:

[1, 5, 7, 35, 49, 113, 245, 565, 727, 791, 3635, 3955, 5089, 5537, 25445, 27685, 35623, 82151, 178115, 410755, 575057, 2875285, 4025399, 20126995]

約数ペア:

[(1, 20126995), (5, 4025399), (7, 2875285), (35, 575057), (49, 410755), (113, 178115), (245, 82151), (565, 35623), (727, 27685), (791, 25445), (3635, 5537), (3955, 5089)]