20831570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2477}}^1$

素因数の和:2542

約数の個数: 24

約数和(自身を含む): 38850084

約数和(自身を除く): 18018514

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2477, 4205, 4954, 8410, 12385, 24770, 71833, 143666, 359165, 718330, 2083157, 4166314, 10415785, 20831570]

約数ペア:

[(1, 20831570), (2, 10415785), (5, 4166314), (10, 2083157), (29, 718330), (58, 359165), (145, 143666), (290, 71833), (841, 24770), (1682, 12385), (2477, 8410), (4205, 4954)]