20419165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2293}}^1$

素因数の和:2448

約数の個数: 16

約数和(自身を含む): 26592048

約数和(自身を除く): 6172883

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2293, 8905, 11465, 29809, 149045, 314141, 1570705, 4083833, 20419165]

約数ペア:

[(1, 20419165), (5, 4083833), (13, 1570705), (65, 314141), (137, 149045), (685, 29809), (1781, 11465), (2293, 8905)]