20081806

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8237}}^1$

素因数の和:8315

約数の個数: 16

約数和(自身を含む): 32029344

約数和(自身を除く): 11947538

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8237, 16474, 189451, 378902, 436561, 873122, 10040903, 20081806]

約数ペア:

[(1, 20081806), (2, 10040903), (23, 873122), (46, 436561), (53, 378902), (106, 189451), (1219, 16474), (2438, 8237)]