20608515

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1093}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 35839440

約数和(自身を除く): 15230925

約数列:

[1, 3, 5, 9, 15, 45, 419, 1093, 1257, 2095, 3279, 3771, 5465, 6285, 9837, 16395, 18855, 49185, 457967, 1373901, 2289835, 4121703, 6869505, 20608515]

約数ペア:

[(1, 20608515), (3, 6869505), (5, 4121703), (9, 2289835), (15, 1373901), (45, 457967), (419, 49185), (1093, 18855), (1257, 16395), (2095, 9837), (3279, 6285), (3771, 5465)]