20440998

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 80

約数和(自身を含む): 50094000

約数和(自身を除く): 29653002

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 81, 87, 114, 162, 171, 174, 229, 261, 342, 458, 513, 522, 551, 687, 783, 1026, 1102, 1374, 1539, 1566, 1653, 2061, 2349, 3078, 3306, 4122, 4351, 4698, 4959, 6183, 6641, 8702, 9918, 12366, 13053, 13282, 14877, 18549, 19923, 26106, 29754, 37098, 39159, 39846, 44631, 59769, 78318, 89262, 117477, 119538, 126179, 179307, 234954, 252358, 352431, 358614, 378537, 537921, 704862, 757074, 1075842, 1135611, 2271222, 3406833, 6813666, 10220499, 20440998]

約数ペア:

[(1, 20440998), (2, 10220499), (3, 6813666), (6, 3406833), (9, 2271222), (18, 1135611), (19, 1075842), (27, 757074), (29, 704862), (38, 537921), (54, 378537), (57, 358614), (58, 352431), (81, 252358), (87, 234954), (114, 179307), (162, 126179), (171, 119538), (174, 117477), (229, 89262), (261, 78318), (342, 59769), (458, 44631), (513, 39846), (522, 39159), (551, 37098), (687, 29754), (783, 26106), (1026, 19923), (1102, 18549), (1374, 14877), (1539, 13282), (1566, 13053), (1653, 12366), (2061, 9918), (2349, 8702), (3078, 6641), (3306, 6183), (4122, 4959), (4351, 4698)]