20590465

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12517}}^1$

素因数の和:12576

約数の個数: 16

約数和(自身を含む): 28841472

約数和(自身を除く): 8251007

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12517, 62585, 87619, 438095, 588299, 2941495, 4118093, 20590465]

約数ペア:

[(1, 20590465), (5, 4118093), (7, 2941495), (35, 588299), (47, 438095), (235, 87619), (329, 62585), (1645, 12517)]