20808624580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61201837}}^1$

素因数の和:61201863

約数の個数: 24

約数和(自身を含む): 46268589528

約数和(自身を除く): 25459964948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61201837, 122403674, 244807348, 306009185, 612018370, 1040431229, 1224036740, 2080862458, 4161724916, 5202156145, 10404312290, 20808624580]

約数ペア:

[(1, 20808624580), (2, 10404312290), (4, 5202156145), (5, 4161724916), (10, 2080862458), (17, 1224036740), (20, 1040431229), (34, 612018370), (68, 306009185), (85, 244807348), (170, 122403674), (340, 61201837)]