20296705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28387}}^1$

素因数の和:28416

約数の個数: 16

約数和(自身を含む): 28615104

約数和(自身を除く): 8318399

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28387, 141935, 312257, 369031, 1561285, 1845155, 4059341, 20296705]

約数ペア:

[(1, 20296705), (5, 4059341), (11, 1845155), (13, 1561285), (55, 369031), (65, 312257), (143, 141935), (715, 28387)]