20172985

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9769}}^1$

素因数の和:9840

約数の個数: 16

約数和(自身を含む): 28137600

約数和(自身を除く): 7964615

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 9769, 48845, 68383, 341915, 576371, 2881855, 4034597, 20172985]

約数ペア:

[(1, 20172985), (5, 4034597), (7, 2881855), (35, 576371), (59, 341915), (295, 68383), (413, 48845), (2065, 9769)]