20178382005

素因数分解:

$3^2\times 5^1\times {\mathrm{448408489}}^1$

素因数の和:448408500

約数の個数: 12

約数和(自身を含む): 34975862220

約数和(自身を除く): 14797480215

約数列:

[1, 3, 5, 9, 15, 45, 448408489, 1345225467, 2242042445, 4035676401, 6726127335, 20178382005]

約数ペア:

[(1, 20178382005), (3, 6726127335), (5, 4035676401), (9, 2242042445), (15, 1345225467), (45, 448408489)]