20874195

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3541}}^1$

素因数の和:3683

約数の個数: 24

約数和(自身を含む): 36468432

約数和(自身を除く): 15594237

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3541, 5895, 10623, 17705, 31869, 53115, 159345, 463871, 1391613, 2319355, 4174839, 6958065, 20874195]

約数ペア:

[(1, 20874195), (3, 6958065), (5, 4174839), (9, 2319355), (15, 1391613), (45, 463871), (131, 159345), (393, 53115), (655, 31869), (1179, 17705), (1965, 10623), (3541, 5895)]