20503620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113909}}^1$

素因数の和:113924

約数の個数: 36

約数和(自身を含む): 62194860

約数和(自身を除く): 41691240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113909, 227818, 341727, 455636, 569545, 683454, 1025181, 1139090, 1366908, 1708635, 2050362, 2278180, 3417270, 4100724, 5125905, 6834540, 10251810, 20503620]

約数ペア:

[(1, 20503620), (2, 10251810), (3, 6834540), (4, 5125905), (5, 4100724), (6, 3417270), (9, 2278180), (10, 2050362), (12, 1708635), (15, 1366908), (18, 1139090), (20, 1025181), (30, 683454), (36, 569545), (45, 455636), (60, 341727), (90, 227818), (180, 113909)]