20742825

素因数分解:

$3^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1187}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 34471008

約数和(自身を除く): 13728183

約数列:

[1, 3, 5, 15, 25, 75, 233, 699, 1165, 1187, 3495, 3561, 5825, 5935, 17475, 17805, 29675, 89025, 276571, 829713, 1382855, 4148565, 6914275, 20742825]

約数ペア:

[(1, 20742825), (3, 6914275), (5, 4148565), (15, 1382855), (25, 829713), (75, 276571), (233, 89025), (699, 29675), (1165, 17805), (1187, 17475), (3495, 5935), (3561, 5825)]