210929020

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{11971}}^1$

素因数の和:12861

約数の個数: 24

約数和(自身を含む): 443490768

約数和(自身を除く): 232561748

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 8810, 11971, 17620, 23942, 47884, 59855, 119710, 239420, 10546451, 21092902, 42185804, 52732255, 105464510, 210929020]

約数ペア:

[(1, 210929020), (2, 105464510), (4, 52732255), (5, 42185804), (10, 21092902), (20, 10546451), (881, 239420), (1762, 119710), (3524, 59855), (4405, 47884), (8810, 23942), (11971, 17620)]