20177042756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{209401}}^1$

素因数の和:209544

約数の個数: 48

約数和(自身を含む): 40632364080

約数和(自身を除く): 20455321324

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 109, 218, 221, 436, 442, 884, 1417, 1853, 2834, 3706, 5668, 7412, 24089, 48178, 96356, 209401, 418802, 837604, 2722213, 3559817, 5444426, 7119634, 10888852, 14239268, 22824709, 45649418, 46277621, 91298836, 92555242, 185110484, 296721217, 388020053, 593442434, 776040106, 1186884868, 1552080212, 5044260689, 10088521378, 20177042756]

約数ペア:

[(1, 20177042756), (2, 10088521378), (4, 5044260689), (13, 1552080212), (17, 1186884868), (26, 776040106), (34, 593442434), (52, 388020053), (68, 296721217), (109, 185110484), (218, 92555242), (221, 91298836), (436, 46277621), (442, 45649418), (884, 22824709), (1417, 14239268), (1853, 10888852), (2834, 7119634), (3706, 5444426), (5668, 3559817), (7412, 2722213), (24089, 837604), (48178, 418802), (96356, 209401)]