20215587020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3229327}}^1$

素因数の和:3229649

約数の個数: 24

約数和(自身を含む): 42588377664

約数和(自身を除く): 22372790644

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 3229327, 6458654, 12917308, 16146635, 32293270, 64586540, 1010779351, 2021558702, 4043117404, 5053896755, 10107793510, 20215587020]

約数ペア:

[(1, 20215587020), (2, 10107793510), (4, 5053896755), (5, 4043117404), (10, 2021558702), (20, 1010779351), (313, 64586540), (626, 32293270), (1252, 16146635), (1565, 12917308), (3130, 6458654), (6260, 3229327)]