20184075

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 36527920

約数和(自身を除く): 16343845

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 823, 981, 1635, 2469, 2725, 4115, 4905, 7407, 8175, 12345, 20575, 24525, 37035, 61725, 89707, 185175, 269121, 448535, 807363, 1345605, 2242675, 4036815, 6728025, 20184075]

約数ペア:

[(1, 20184075), (3, 6728025), (5, 4036815), (9, 2242675), (15, 1345605), (25, 807363), (45, 448535), (75, 269121), (109, 185175), (225, 89707), (327, 61725), (545, 37035), (823, 24525), (981, 20575), (1635, 12345), (2469, 8175), (2725, 7407), (4115, 4905)]