6643952020

素因数分解:

$2^2\times 5^1\times {\mathrm{10831}}^1\times {\mathrm{30671}}^1$

素因数の和:41511

約数の個数: 24

約数和(自身を含む): 13954042368

約数和(自身を除く): 7310090348

約数列:

[1, 2, 4, 5, 10, 20, 10831, 21662, 30671, 43324, 54155, 61342, 108310, 122684, 153355, 216620, 306710, 613420, 332197601, 664395202, 1328790404, 1660988005, 3321976010, 6643952020]

約数ペア:

[(1, 6643952020), (2, 3321976010), (4, 1660988005), (5, 1328790404), (10, 664395202), (20, 332197601), (10831, 613420), (21662, 306710), (30671, 216620), (43324, 153355), (54155, 122684), (61342, 108310)]