20418495

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5023}}^1$

素因数の和:5302

約数の個数: 16

約数和(自身を含む): 32796672

約数和(自身を除く): 12378177

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 5023, 15069, 25115, 75345, 1361233, 4083699, 6806165, 20418495]

約数ペア:

[(1, 20418495), (3, 6806165), (5, 4083699), (15, 1361233), (271, 75345), (813, 25115), (1355, 15069), (4065, 5023)]