20717204

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{3361}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 38407488

約数和(自身を除く): 17690284

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 268, 1541, 3082, 3361, 6164, 6722, 13444, 77303, 154606, 225187, 309212, 450374, 900748, 5179301, 10358602, 20717204]

約数ペア:

[(1, 20717204), (2, 10358602), (4, 5179301), (23, 900748), (46, 450374), (67, 309212), (92, 225187), (134, 154606), (268, 77303), (1541, 13444), (3082, 6722), (3361, 6164)]