20735209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2489111

約数列:

[1, 11, 79, 107, 223, 869, 1177, 2453, 8453, 17617, 23861, 92983, 193787, 262471, 1885019, 20735209]

約数ペア:

[(1, 20735209), (11, 1885019), (79, 262471), (107, 193787), (223, 92983), (869, 23861), (1177, 17617), (2453, 8453)]