19900570

素因数分解:

$2^1\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1657}}^1$

素因数の和:2865

約数の個数: 16

約数和(自身を含む): 35872488

約数和(自身を除く): 15971918

約数列:

[1, 2, 5, 10, 1201, 1657, 2402, 3314, 6005, 8285, 12010, 16570, 1990057, 3980114, 9950285, 19900570]

約数ペア:

[(1, 19900570), (2, 9950285), (5, 3980114), (10, 1990057), (1201, 16570), (1657, 12010), (2402, 8285), (3314, 6005)]