20215295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2309}}^1$

素因数の和:2434

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5730625

約数列:

[1, 5, 17, 85, 103, 515, 1751, 2309, 8755, 11545, 39253, 196265, 237827, 1189135, 4043059, 20215295]

約数ペア:

[(1, 20215295), (5, 4043059), (17, 1189135), (85, 237827), (103, 196265), (515, 39253), (1751, 11545), (2309, 8755)]