20887308

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 168

約数和(自身を含む): 64268400

約数和(自身を除く): 43381092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 29, 36, 38, 39, 52, 54, 57, 58, 76, 78, 81, 87, 108, 114, 116, 117, 156, 162, 171, 174, 228, 234, 243, 247, 261, 324, 342, 348, 351, 377, 468, 486, 494, 513, 522, 551, 684, 702, 729, 741, 754, 783, 972, 988, 1026, 1044, 1053, 1102, 1131, 1404, 1458, 1482, 1508, 1539, 1566, 1653, 2052, 2106, 2204, 2223, 2262, 2349, 2916, 2964, 3078, 3132, 3159, 3306, 3393, 4212, 4446, 4524, 4617, 4698, 4959, 6156, 6318, 6612, 6669, 6786, 7047, 7163, 8892, 9234, 9396, 9477, 9918, 10179, 12636, 13338, 13572, 13851, 14094, 14326, 14877, 18468, 18954, 19836, 20007, 20358, 21141, 21489, 26676, 27702, 28188, 28652, 29754, 30537, 37908, 40014, 40716, 42282, 42978, 44631, 55404, 59508, 60021, 61074, 64467, 80028, 84564, 85956, 89262, 91611, 120042, 122148, 128934, 133893, 178524, 180063, 183222, 193401, 240084, 257868, 267786, 274833, 360126, 366444, 386802, 401679, 535572, 549666, 580203, 720252, 773604, 803358, 1099332, 1160406, 1606716, 1740609, 2320812, 3481218, 5221827, 6962436, 10443654, 20887308]

約数ペア:

[(1, 20887308), (2, 10443654), (3, 6962436), (4, 5221827), (6, 3481218), (9, 2320812), (12, 1740609), (13, 1606716), (18, 1160406), (19, 1099332), (26, 803358), (27, 773604), (29, 720252), (36, 580203), (38, 549666), (39, 535572), (52, 401679), (54, 386802), (57, 366444), (58, 360126), (76, 274833), (78, 267786), (81, 257868), (87, 240084), (108, 193401), (114, 183222), (116, 180063), (117, 178524), (156, 133893), (162, 128934), (171, 122148), (174, 120042), (228, 91611), (234, 89262), (243, 85956), (247, 84564), (261, 80028), (324, 64467), (342, 61074), (348, 60021), (351, 59508), (377, 55404), (468, 44631), (486, 42978), (494, 42282), (513, 40716), (522, 40014), (551, 37908), (684, 30537), (702, 29754), (729, 28652), (741, 28188), (754, 27702), (783, 26676), (972, 21489), (988, 21141), (1026, 20358), (1044, 20007), (1053, 19836), (1102, 18954), (1131, 18468), (1404, 14877), (1458, 14326), (1482, 14094), (1508, 13851), (1539, 13572), (1566, 13338), (1653, 12636), (2052, 10179), (2106, 9918), (2204, 9477), (2223, 9396), (2262, 9234), (2349, 8892), (2916, 7163), (2964, 7047), (3078, 6786), (3132, 6669), (3159, 6612), (3306, 6318), (3393, 6156), (4212, 4959), (4446, 4698), (4524, 4617)]