20339715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{941}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 35811072

約数和(自身を除く): 15471357

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 941, 1441, 1965, 2823, 4323, 4705, 7205, 10351, 14115, 21615, 31053, 51755, 123271, 155265, 369813, 616355, 1355981, 1849065, 4067943, 6779905, 20339715]

約数ペア:

[(1, 20339715), (3, 6779905), (5, 4067943), (11, 1849065), (15, 1355981), (33, 616355), (55, 369813), (131, 155265), (165, 123271), (393, 51755), (655, 31053), (941, 21615), (1441, 14115), (1965, 10351), (2823, 7205), (4323, 4705)]