20881832

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60703}}^1$

素因数の和:60752

約数の個数: 16

約数和(自身を含む): 40064640

約数和(自身を除く): 19182808

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60703, 121406, 242812, 485624, 2610229, 5220458, 10440916, 20881832]

約数ペア:

[(1, 20881832), (2, 10440916), (4, 5220458), (8, 2610229), (43, 485624), (86, 242812), (172, 121406), (344, 60703)]