20215496

素因数分解:

$2^3\times 7^1\times {\mathrm{467}}^1\times {\mathrm{773}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 23252344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 467, 773, 934, 1546, 1868, 3092, 3269, 3736, 5411, 6184, 6538, 10822, 13076, 21644, 26152, 43288, 360991, 721982, 1443964, 2526937, 2887928, 5053874, 10107748, 20215496]

約数ペア:

[(1, 20215496), (2, 10107748), (4, 5053874), (7, 2887928), (8, 2526937), (14, 1443964), (28, 721982), (56, 360991), (467, 43288), (773, 26152), (934, 21644), (1546, 13076), (1868, 10822), (3092, 6538), (3269, 6184), (3736, 5411)]