20158747

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{11119}}^1$

素因数の和:11170

約数の個数: 12

約数和(自身を含む): 24085920

約数和(自身を除く): 3927173

約数列:

[1, 7, 37, 49, 259, 1813, 11119, 77833, 411403, 544831, 2879821, 20158747]

約数ペア:

[(1, 20158747), (7, 2879821), (37, 544831), (49, 411403), (259, 77833), (1813, 11119)]