20447510

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3581}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 36880272

約数和(自身を除く): 16432762

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 3581, 5710, 7162, 17905, 35810, 2044751, 4089502, 10223755, 20447510]

約数ペア:

[(1, 20447510), (2, 10223755), (5, 4089502), (10, 2044751), (571, 35810), (1142, 17905), (2855, 7162), (3581, 5710)]