20647080198

素因数分解:

$2^1\times 3^3\times {\mathrm{1087}}^1\times {\mathrm{351751}}^1$

素因数の和:352849

約数の個数: 32

約数和(自身を含む): 45924741120

約数和(自身を除く): 25277660922

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1087, 2174, 3261, 6522, 9783, 19566, 29349, 58698, 351751, 703502, 1055253, 2110506, 3165759, 6331518, 9497277, 18994554, 382353337, 764706674, 1147060011, 2294120022, 3441180033, 6882360066, 10323540099, 20647080198]

約数ペア:

[(1, 20647080198), (2, 10323540099), (3, 6882360066), (6, 3441180033), (9, 2294120022), (18, 1147060011), (27, 764706674), (54, 382353337), (1087, 18994554), (2174, 9497277), (3261, 6331518), (6522, 3165759), (9783, 2110506), (19566, 1055253), (29349, 703502), (58698, 351751)]