20817716

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{227}}^2$

素因数の和:559

約数の個数: 18

約数和(自身を含む): 36954498

約数和(自身を除く): 16136782

約数列:

[1, 2, 4, 101, 202, 227, 404, 454, 908, 22927, 45854, 51529, 91708, 103058, 206116, 5204429, 10408858, 20817716]

約数ペア:

[(1, 20817716), (2, 10408858), (4, 5204429), (101, 206116), (202, 103058), (227, 91708), (404, 51529), (454, 45854), (908, 22927)]