20900035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2502

約数の個数: 16

約数和(自身を含む): 27218016

約数和(自身を除く): 6317981

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2347, 8905, 11735, 30511, 152555, 321539, 1607695, 4180007, 20900035]

約数ペア:

[(1, 20900035), (5, 4180007), (13, 1607695), (65, 321539), (137, 152555), (685, 30511), (1781, 11735), (2347, 8905)]