2020408070

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{786151}}^1$

素因数の和:786415

約数の個数: 16

約数和(自身を含む): 3650889888

約数和(自身を除く): 1630481818

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 786151, 1572302, 3930755, 7861510, 202040807, 404081614, 1010204035, 2020408070]

約数ペア:

[(1, 2020408070), (2, 1010204035), (5, 404081614), (10, 202040807), (257, 7861510), (514, 3930755), (1285, 1572302), (2570, 786151)]