20130536

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 38992800

約数和(自身を除く): 18862264

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 421, 556, 842, 1112, 1684, 3368, 5977, 11954, 18103, 23908, 36206, 47816, 58519, 72412, 117038, 144824, 234076, 468152, 2516317, 5032634, 10065268, 20130536]

約数ペア:

[(1, 20130536), (2, 10065268), (4, 5032634), (8, 2516317), (43, 468152), (86, 234076), (139, 144824), (172, 117038), (278, 72412), (344, 58519), (421, 47816), (556, 36206), (842, 23908), (1112, 18103), (1684, 11954), (3368, 5977)]