20133025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 27453600

約数和(自身を除く): 7320575

約数列:

[1, 5, 11, 25, 55, 179, 275, 409, 895, 1969, 2045, 4475, 4499, 9845, 10225, 22495, 49225, 73211, 112475, 366055, 805321, 1830275, 4026605, 20133025]

約数ペア:

[(1, 20133025), (5, 4026605), (11, 1830275), (25, 805321), (55, 366055), (179, 112475), (275, 73211), (409, 49225), (895, 22495), (1969, 10225), (2045, 9845), (4475, 4499)]