20827303

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 24897600

約数和(自身を除く): 4070297

約数列:

[1, 7, 41, 49, 287, 343, 1481, 2009, 10367, 14063, 60721, 72569, 425047, 507983, 2975329, 20827303]

約数ペア:

[(1, 20827303), (7, 2975329), (41, 507983), (49, 425047), (287, 72569), (343, 60721), (1481, 14063), (2009, 10367)]