20051520307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{391379}}^1$

素因数の和:391962

約数の個数: 16

約数和(自身を含む): 24722691840

約数和(自身を除く): 4671171533

約数列:

[1, 7, 13, 91, 563, 3941, 7319, 51233, 391379, 2739653, 5087927, 35615489, 220346377, 1542424639, 2864502901, 20051520307]

約数ペア:

[(1, 20051520307), (7, 2864502901), (13, 1542424639), (91, 220346377), (563, 35615489), (3941, 5087927), (7319, 2739653), (51233, 391379)]