20392645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44819}}^1$

素因数の和:44844

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 9726395

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44819, 224095, 313733, 582647, 1568665, 2913235, 4078529, 20392645]

約数ペア:

[(1, 20392645), (5, 4078529), (7, 2913235), (13, 1568665), (35, 582647), (65, 313733), (91, 224095), (455, 44819)]