20637190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2609}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 42845760

約数和(自身を除く): 22208570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2609, 3955, 5218, 7910, 13045, 18263, 26090, 36526, 91315, 182630, 294817, 589634, 1474085, 2063719, 2948170, 4127438, 10318595, 20637190]

約数ペア:

[(1, 20637190), (2, 10318595), (5, 4127438), (7, 2948170), (10, 2063719), (14, 1474085), (35, 589634), (70, 294817), (113, 182630), (226, 91315), (565, 36526), (791, 26090), (1130, 18263), (1582, 13045), (2609, 7910), (3955, 5218)]