20199806987

素因数分解:

${\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1\times {\mathrm{7193}}^1$

素因数の和:7958

約数の個数: 16

約数和(自身を含む): 21023515392

約数和(自身を除く): 823708405

約数列:

[1, 31, 157, 577, 4867, 7193, 17887, 90589, 222983, 1129301, 2808259, 4150361, 35008331, 128661191, 651606677, 20199806987]

約数ペア:

[(1, 20199806987), (31, 651606677), (157, 128661191), (577, 35008331), (4867, 4150361), (7193, 2808259), (17887, 1129301), (90589, 222983)]