20449854

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8807}}^1$

素因数の和:8861

約数の個数: 32

約数和(自身を含む): 46506240

約数和(自身を除く): 26056386

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8807, 17614, 26421, 52842, 79263, 158526, 237789, 378701, 475578, 757402, 1136103, 2272206, 3408309, 6816618, 10224927, 20449854]

約数ペア:

[(1, 20449854), (2, 10224927), (3, 6816618), (6, 3408309), (9, 2272206), (18, 1136103), (27, 757402), (43, 475578), (54, 378701), (86, 237789), (129, 158526), (258, 79263), (387, 52842), (774, 26421), (1161, 17614), (2322, 8807)]