20340054

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 50862240

約数和(自身を除く): 30522186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1481, 1526, 1962, 2289, 2962, 4443, 4578, 6867, 8886, 10367, 13329, 13734, 20734, 26658, 31101, 62202, 93303, 161429, 186606, 322858, 484287, 968574, 1130003, 1452861, 2260006, 2905722, 3390009, 6780018, 10170027, 20340054]

約数ペア:

[(1, 20340054), (2, 10170027), (3, 6780018), (6, 3390009), (7, 2905722), (9, 2260006), (14, 1452861), (18, 1130003), (21, 968574), (42, 484287), (63, 322858), (109, 186606), (126, 161429), (218, 93303), (327, 62202), (654, 31101), (763, 26658), (981, 20734), (1481, 13734), (1526, 13329), (1962, 10367), (2289, 8886), (2962, 6867), (4443, 4578)]