20269535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28349}}^1$

素因数の和:28378

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 8307265

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28349, 141745, 311839, 368537, 1559195, 1842685, 4053907, 20269535]

約数ペア:

[(1, 20269535), (5, 4053907), (11, 1842685), (13, 1559195), (55, 368537), (65, 311839), (143, 141745), (715, 28349)]