20514444

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 30506484

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 227, 443, 454, 681, 886, 908, 1329, 1362, 1772, 2658, 2724, 3859, 5316, 7531, 7718, 11577, 15062, 15436, 22593, 23154, 30124, 45186, 46308, 90372, 100561, 201122, 301683, 402244, 603366, 1206732, 1709537, 3419074, 5128611, 6838148, 10257222, 20514444]

約数ペア:

[(1, 20514444), (2, 10257222), (3, 6838148), (4, 5128611), (6, 3419074), (12, 1709537), (17, 1206732), (34, 603366), (51, 402244), (68, 301683), (102, 201122), (204, 100561), (227, 90372), (443, 46308), (454, 45186), (681, 30124), (886, 23154), (908, 22593), (1329, 15436), (1362, 15062), (1772, 11577), (2658, 7718), (2724, 7531), (3859, 5316)]