20087345537

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{20899}}^1$

素因数の和:21161

約数の個数: 32

約数和(自身を含む): 25027833600

約数和(自身を除く): 4940488063

約数列:

[1, 7, 17, 41, 119, 197, 287, 697, 1379, 3349, 4879, 8077, 20899, 23443, 56539, 137309, 146293, 355283, 856859, 961163, 2486981, 4117103, 5998013, 14566603, 28819721, 69990751, 101966221, 168801223, 489935257, 1181608561, 2869620791, 20087345537]

約数ペア:

[(1, 20087345537), (7, 2869620791), (17, 1181608561), (41, 489935257), (119, 168801223), (197, 101966221), (287, 69990751), (697, 28819721), (1379, 14566603), (3349, 5998013), (4879, 4117103), (8077, 2486981), (20899, 961163), (23443, 856859), (56539, 355283), (137309, 146293)]