20970313

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2917}}^1$

素因数の和:3016

約数の個数: 16

約数和(自身を含む): 26145280

約数和(自身を除く): 5174967

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2917, 7189, 20419, 37921, 230443, 265447, 1613101, 2995759, 20970313]

約数ペア:

[(1, 20970313), (7, 2995759), (13, 1613101), (79, 265447), (91, 230443), (553, 37921), (1027, 20419), (2917, 7189)]