20179072874

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{721351}}^1$

素因数の和:721621

約数の個数: 16

約数和(自身を含む): 30850782336

約数和(自身を除く): 10671709462

約数列:

[1, 2, 71, 142, 197, 394, 13987, 27974, 721351, 1442702, 51215921, 102431842, 142106147, 284212294, 10089536437, 20179072874]

約数ペア:

[(1, 20179072874), (2, 10089536437), (71, 284212294), (142, 142106147), (197, 102431842), (394, 51215921), (13987, 1442702), (27974, 721351)]