20239260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4751}}^1$

素因数の和:4834

約数の個数: 48

約数和(自身を含む): 57480192

約数和(自身を除く): 37240932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4751, 9502, 14253, 19004, 23755, 28506, 47510, 57012, 71265, 95020, 142530, 285060, 337321, 674642, 1011963, 1349284, 1686605, 2023926, 3373210, 4047852, 5059815, 6746420, 10119630, 20239260]

約数ペア:

[(1, 20239260), (2, 10119630), (3, 6746420), (4, 5059815), (5, 4047852), (6, 3373210), (10, 2023926), (12, 1686605), (15, 1349284), (20, 1011963), (30, 674642), (60, 337321), (71, 285060), (142, 142530), (213, 95020), (284, 71265), (355, 57012), (426, 47510), (710, 28506), (852, 23755), (1065, 19004), (1420, 14253), (2130, 9502), (4260, 4751)]