20216927829

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1501889}}^1$

素因数の和:1502540

約数の個数: 16

約数和(自身を含む): 30854828160

約数和(自身を除く): 10637900331

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 1501889, 4505667, 10513223, 31539669, 962710849, 2888132547, 6738975943, 20216927829]

約数ペア:

[(1, 20216927829), (3, 6738975943), (7, 2888132547), (21, 962710849), (641, 31539669), (1923, 10513223), (4487, 4505667), (13461, 1501889)]