20171209985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{32299}}^1$

素因数の和:32465

約数の個数: 32

約数和(自身を含む): 25814160000

約数和(自身を除く): 5642950015

約数列:

[1, 5, 29, 59, 73, 145, 295, 365, 1711, 2117, 4307, 8555, 10585, 21535, 32299, 124903, 161495, 624515, 936671, 1905641, 2357827, 4683355, 9528205, 11789135, 55263589, 68376983, 139111793, 276317945, 341884915, 695558965, 4034241997, 20171209985]

約数ペア:

[(1, 20171209985), (5, 4034241997), (29, 695558965), (59, 341884915), (73, 276317945), (145, 139111793), (295, 68376983), (365, 55263589), (1711, 11789135), (2117, 9528205), (4307, 4683355), (8555, 2357827), (10585, 1905641), (21535, 936671), (32299, 624515), (124903, 161495)]