20478435

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4447}}^1$

素因数の和:4762

約数の個数: 16

約数和(自身を含む): 32879616

約数和(自身を除く): 12401181

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4447, 4605, 13341, 22235, 66705, 1365229, 4095687, 6826145, 20478435]

約数ペア:

[(1, 20478435), (3, 6826145), (5, 4095687), (15, 1365229), (307, 66705), (921, 22235), (1535, 13341), (4447, 4605)]