20417288

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11243}}^1$

素因数の和:11476

約数の個数: 16

約数和(自身を含む): 38454480

約数和(自身を除く): 18037192

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11243, 22486, 44972, 89944, 2552161, 5104322, 10208644, 20417288]

約数ペア:

[(1, 20417288), (2, 10208644), (4, 5104322), (8, 2552161), (227, 89944), (454, 44972), (908, 22486), (1816, 11243)]