20312765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2657}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 26792640

約数和(自身を除く): 6479875

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2657, 7645, 13285, 29227, 146135, 369323, 1846615, 4062553, 20312765]

約数ペア:

[(1, 20312765), (5, 4062553), (11, 1846615), (55, 369323), (139, 146135), (695, 29227), (1529, 13285), (2657, 7645)]