20420781693

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{19553}}^1$

素因数の和:20069

約数の個数: 32

約数和(自身を含む): 29872254720

約数和(自身を除く): 9451473027

約数列:

[1, 3, 13, 39, 61, 183, 439, 793, 1317, 2379, 5707, 17121, 19553, 26779, 58659, 80337, 254189, 348127, 762567, 1044381, 1192733, 3578199, 8583767, 15505529, 25751301, 46516587, 111588971, 334766913, 523609787, 1570829361, 6806927231, 20420781693]

約数ペア:

[(1, 20420781693), (3, 6806927231), (13, 1570829361), (39, 523609787), (61, 334766913), (183, 111588971), (439, 46516587), (793, 25751301), (1317, 15505529), (2379, 8583767), (5707, 3578199), (17121, 1192733), (19553, 1044381), (26779, 762567), (58659, 348127), (80337, 254189)]