20021220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111229}}^1$

素因数の和:111244

約数の個数: 36

約数和(自身を含む): 60731580

約数和(自身を除く): 40710360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111229, 222458, 333687, 444916, 556145, 667374, 1001061, 1112290, 1334748, 1668435, 2002122, 2224580, 3336870, 4004244, 5005305, 6673740, 10010610, 20021220]

約数ペア:

[(1, 20021220), (2, 10010610), (3, 6673740), (4, 5005305), (5, 4004244), (6, 3336870), (9, 2224580), (10, 2002122), (12, 1668435), (15, 1334748), (18, 1112290), (20, 1001061), (30, 667374), (36, 556145), (45, 444916), (60, 333687), (90, 222458), (180, 111229)]