20681886

素因数分解:

$2^1\times 3^1\times {\mathrm{1613}}^1\times {\mathrm{2137}}^1$

素因数の和:3755

約数の個数: 16

約数和(自身を含む): 41408784

約数和(自身を除く): 20726898

約数列:

[1, 2, 3, 6, 1613, 2137, 3226, 4274, 4839, 6411, 9678, 12822, 3446981, 6893962, 10340943, 20681886]

約数ペア:

[(1, 20681886), (2, 10340943), (3, 6893962), (6, 3446981), (1613, 12822), (2137, 9678), (3226, 6411), (4274, 4839)]