20809929445

素因数分解:

$5^1\times {\mathrm{349}}^1\times {\mathrm{1571}}^1\times {\mathrm{7591}}^1$

素因数の和:9516

約数の個数: 16

約数和(自身を含む): 25062710400

約数和(自身を除く): 4252780955

約数列:

[1, 5, 349, 1571, 1745, 7591, 7855, 37955, 548279, 2649259, 2741395, 11925461, 13246295, 59627305, 4161985889, 20809929445]

約数ペア:

[(1, 20809929445), (5, 4161985889), (349, 59627305), (1571, 13246295), (1745, 11925461), (7591, 2741395), (7855, 2649259), (37955, 548279)]