20249145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64283}}^1$

素因数の和:64301

約数の個数: 24

約数和(自身を含む): 40113216

約数和(自身を除く): 19864071

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64283, 192849, 321415, 449981, 578547, 964245, 1349943, 2249905, 2892735, 4049829, 6749715, 20249145]

約数ペア:

[(1, 20249145), (3, 6749715), (5, 4049829), (7, 2892735), (9, 2249905), (15, 1349943), (21, 964245), (35, 578547), (45, 449981), (63, 321415), (105, 192849), (315, 64283)]