20070028

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41467}}^1$

素因数の和:41493

約数の個数: 18

約数和(自身を含む): 38606708

約数和(自身を除く): 18536680

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41467, 82934, 165868, 456137, 912274, 1824548, 5017507, 10035014, 20070028]

約数ペア:

[(1, 20070028), (2, 10035014), (4, 5017507), (11, 1824548), (22, 912274), (44, 456137), (121, 165868), (242, 82934), (484, 41467)]