20187096587

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{81629}}^1$

素因数の和:81760

約数の個数: 20

約数和(自身を含む): 23779145520

約数和(自身を除く): 3592048933

約数列:

[1, 7, 49, 103, 343, 721, 2401, 5047, 35329, 81629, 247303, 571403, 3999821, 8407787, 27998747, 58854509, 195991229, 411981563, 2883870941, 20187096587]

約数ペア:

[(1, 20187096587), (7, 2883870941), (49, 411981563), (103, 195991229), (343, 58854509), (721, 27998747), (2401, 8407787), (5047, 3999821), (35329, 571403), (81629, 247303)]