20776145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3851}}^1$

素因数の和:3952

約数の個数: 16

約数和(自身を含む): 27179712

約数和(自身を除く): 6403567

約数列:

[1, 5, 13, 65, 83, 415, 1079, 3851, 5395, 19255, 50063, 250315, 319633, 1598165, 4155229, 20776145]

約数ペア:

[(1, 20776145), (5, 4155229), (13, 1598165), (65, 319633), (83, 250315), (415, 50063), (1079, 19255), (3851, 5395)]