20320558

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:999

約数の個数: 16

約数和(自身を含む): 31078656

約数和(自身を除く): 10758098

約数列:

[1, 2, 83, 163, 166, 326, 751, 1502, 13529, 27058, 62333, 122413, 124666, 244826, 10160279, 20320558]

約数ペア:

[(1, 20320558), (2, 10160279), (83, 244826), (163, 124666), (166, 122413), (326, 62333), (751, 27058), (1502, 13529)]