20985602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 24

約数和(自身を含む): 35011440

約数和(自身を除く): 14025838

約数列:

[1, 2, 11, 22, 73, 146, 179, 358, 803, 1606, 1969, 3938, 5329, 10658, 13067, 26134, 58619, 117238, 143737, 287474, 953891, 1907782, 10492801, 20985602]

約数ペア:

[(1, 20985602), (2, 10492801), (11, 1907782), (22, 953891), (73, 287474), (146, 143737), (179, 117238), (358, 58619), (803, 26134), (1606, 13067), (1969, 10658), (3938, 5329)]