20178390858

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{172297}}^1$

素因数の和:172582

約数の個数: 32

約数和(自身を含む): 40938004800

約数和(自身を除く): 20759613942

約数列:

[1, 2, 3, 6, 131, 149, 262, 298, 393, 447, 786, 894, 19519, 39038, 58557, 117114, 172297, 344594, 516891, 1033782, 22570907, 25672253, 45141814, 51344506, 67712721, 77016759, 135425442, 154033518, 3363065143, 6726130286, 10089195429, 20178390858]

約数ペア:

[(1, 20178390858), (2, 10089195429), (3, 6726130286), (6, 3363065143), (131, 154033518), (149, 135425442), (262, 77016759), (298, 67712721), (393, 51344506), (447, 45141814), (786, 25672253), (894, 22570907), (19519, 1033782), (39038, 516891), (58557, 344594), (117114, 172297)]