20514416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98627}}^1$

素因数の和:98648

約数の個数: 20

約数和(自身を含む): 42804552

約数和(自身を除く): 22290136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98627, 197254, 394508, 789016, 1282151, 1578032, 2564302, 5128604, 10257208, 20514416]

約数ペア:

[(1, 20514416), (2, 10257208), (4, 5128604), (8, 2564302), (13, 1578032), (16, 1282151), (26, 789016), (52, 394508), (104, 197254), (208, 98627)]