20504862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 51274080

約数和(自身を除く): 30769218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1493, 1526, 1962, 2289, 2986, 4479, 4578, 6867, 8958, 10451, 13437, 13734, 20902, 26874, 31353, 62706, 94059, 162737, 188118, 325474, 488211, 976422, 1139159, 1464633, 2278318, 2929266, 3417477, 6834954, 10252431, 20504862]

約数ペア:

[(1, 20504862), (2, 10252431), (3, 6834954), (6, 3417477), (7, 2929266), (9, 2278318), (14, 1464633), (18, 1139159), (21, 976422), (42, 488211), (63, 325474), (109, 188118), (126, 162737), (218, 94059), (327, 62706), (654, 31353), (763, 26874), (981, 20902), (1493, 13734), (1526, 13437), (1962, 10451), (2289, 8958), (2986, 6867), (4479, 4578)]