20013161

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 23811840

約数和(自身を除く): 3798679

約数列:

[1, 7, 29, 203, 311, 317, 2177, 2219, 9019, 9193, 63133, 64351, 98587, 690109, 2859023, 20013161]

約数ペア:

[(1, 20013161), (7, 2859023), (29, 690109), (203, 98587), (311, 64351), (317, 63133), (2177, 9193), (2219, 9019)]