20375722

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:234

約数の個数: 24

約数和(自身を含む): 32395968

約数和(自身を除く): 12020246

約数列:

[1, 2, 43, 47, 71, 86, 94, 142, 2021, 3053, 3337, 4042, 5041, 6106, 6674, 10082, 143491, 216763, 236927, 286982, 433526, 473854, 10187861, 20375722]

約数ペア:

[(1, 20375722), (2, 10187861), (43, 473854), (47, 433526), (71, 286982), (86, 236927), (94, 216763), (142, 143491), (2021, 10082), (3053, 6674), (3337, 6106), (4042, 5041)]