20733525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2202

約数の個数: 36

約数和(自身を含む): 38017408

約数和(自身を除く): 17283883

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2143, 3225, 6429, 9675, 10715, 19287, 32145, 53575, 92149, 96435, 160725, 276447, 460745, 482175, 829341, 1382235, 2303725, 4146705, 6911175, 20733525]

約数ペア:

[(1, 20733525), (3, 6911175), (5, 4146705), (9, 2303725), (15, 1382235), (25, 829341), (43, 482175), (45, 460745), (75, 276447), (129, 160725), (215, 96435), (225, 92149), (387, 53575), (645, 32145), (1075, 19287), (1935, 10715), (2143, 9675), (3225, 6429)]