20465378

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:953

約数の個数: 16

約数和(自身を含む): 31367040

約数和(自身を除く): 10901662

約数列:

[1, 2, 61, 122, 271, 542, 619, 1238, 16531, 33062, 37759, 75518, 167749, 335498, 10232689, 20465378]

約数ペア:

[(1, 20465378), (2, 10232689), (61, 335498), (122, 167749), (271, 75518), (542, 37759), (619, 33062), (1238, 16531)]