15852220

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1423}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 33372864

約数和(自身を除く): 17520644

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1423, 2228, 2785, 2846, 5570, 5692, 7115, 11140, 14230, 28460, 792611, 1585222, 3170444, 3963055, 7926110, 15852220]

約数ペア:

[(1, 15852220), (2, 7926110), (4, 3963055), (5, 3170444), (10, 1585222), (20, 792611), (557, 28460), (1114, 14230), (1423, 11140), (2228, 7115), (2785, 5692), (2846, 5570)]