20421214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15217}}^1$

素因数の和:15291

約数の個数: 16

約数和(自身を含む): 33966576

約数和(自身を除く): 13545362

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15217, 30434, 167387, 334774, 928237, 1856474, 10210607, 20421214]

約数ペア:

[(1, 20421214), (2, 10210607), (11, 1856474), (22, 928237), (61, 334774), (122, 167387), (671, 30434), (1342, 15217)]