320466618

素因数分解:

$2^1\times 3^4\times {\mathrm{1978189}}^1$

素因数の和:1978203

約数の個数: 20

約数和(自身を含む): 718082970

約数和(自身を除く): 397616352

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1978189, 3956378, 5934567, 11869134, 17803701, 35607402, 53411103, 106822206, 160233309, 320466618]

約数ペア:

[(1, 320466618), (2, 160233309), (3, 106822206), (6, 53411103), (9, 35607402), (18, 17803701), (27, 11869134), (54, 5934567), (81, 3956378), (162, 1978189)]