20042271

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 30015440

約数和(自身を除く): 9973169

約数列:

[1, 3, 9, 37, 111, 139, 333, 417, 433, 1251, 1299, 3897, 5143, 15429, 16021, 46287, 48063, 60187, 144189, 180561, 541683, 2226919, 6680757, 20042271]

約数ペア:

[(1, 20042271), (3, 6680757), (9, 2226919), (37, 541683), (111, 180561), (139, 144189), (333, 60187), (417, 48063), (433, 46287), (1251, 16021), (1299, 15429), (3897, 5143)]