20834505

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4327}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 36459072

約数和(自身を除く): 15624567

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4327, 4815, 12981, 21635, 38943, 64905, 194715, 462989, 1388967, 2314945, 4166901, 6944835, 20834505]

約数ペア:

[(1, 20834505), (3, 6944835), (5, 4166901), (9, 2314945), (15, 1388967), (45, 462989), (107, 194715), (321, 64905), (535, 38943), (963, 21635), (1605, 12981), (4327, 4815)]