20889628

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1783}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 38213280

約数和(自身を除く): 17323652

約数列:

[1, 2, 4, 29, 58, 101, 116, 202, 404, 1783, 2929, 3566, 5858, 7132, 11716, 51707, 103414, 180083, 206828, 360166, 720332, 5222407, 10444814, 20889628]

約数ペア:

[(1, 20889628), (2, 10444814), (4, 5222407), (29, 720332), (58, 360166), (101, 206828), (116, 180083), (202, 103414), (404, 51707), (1783, 11716), (2929, 7132), (3566, 5858)]