20571235

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 25336800

約数和(自身を除く): 4765565

約数列:

[1, 5, 59, 137, 295, 509, 685, 2545, 8083, 30031, 40415, 69733, 150155, 348665, 4114247, 20571235]

約数ペア:

[(1, 20571235), (5, 4114247), (59, 348665), (137, 150155), (295, 69733), (509, 40415), (685, 30031), (2545, 8083)]