20178224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{114649}}^1$

素因数の和:114668

約数の個数: 20

約数和(自身を含む): 42649800

約数和(自身を除く): 22471576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 114649, 229298, 458596, 917192, 1261139, 1834384, 2522278, 5044556, 10089112, 20178224]

約数ペア:

[(1, 20178224), (2, 10089112), (4, 5044556), (8, 2522278), (11, 1834384), (16, 1261139), (22, 917192), (44, 458596), (88, 229298), (176, 114649)]