20108825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 27560736

約数和(自身を除く): 7451911

約数列:

[1, 5, 11, 25, 55, 83, 275, 415, 881, 913, 2075, 4405, 4565, 9691, 22025, 22825, 48455, 73123, 242275, 365615, 804353, 1828075, 4021765, 20108825]

約数ペア:

[(1, 20108825), (5, 4021765), (11, 1828075), (25, 804353), (55, 365615), (83, 242275), (275, 73123), (415, 48455), (881, 22825), (913, 22025), (2075, 9691), (4405, 4565)]