20659912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 50068800

約数和(自身を除く): 29408888

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 52, 56, 59, 74, 91, 104, 118, 148, 169, 182, 236, 259, 296, 338, 364, 413, 472, 481, 518, 676, 728, 767, 826, 962, 1036, 1183, 1352, 1534, 1652, 1924, 2072, 2183, 2366, 3068, 3304, 3367, 3848, 4366, 4732, 5369, 6136, 6253, 6734, 8732, 9464, 9971, 10738, 12506, 13468, 15281, 17464, 19942, 21476, 25012, 26936, 28379, 30562, 39884, 42952, 43771, 50024, 56758, 61124, 69797, 79768, 87542, 113516, 122248, 139594, 175084, 198653, 227032, 279188, 350168, 368927, 397306, 558376, 737854, 794612, 1475708, 1589224, 2582489, 2951416, 5164978, 10329956, 20659912]

約数ペア:

[(1, 20659912), (2, 10329956), (4, 5164978), (7, 2951416), (8, 2582489), (13, 1589224), (14, 1475708), (26, 794612), (28, 737854), (37, 558376), (52, 397306), (56, 368927), (59, 350168), (74, 279188), (91, 227032), (104, 198653), (118, 175084), (148, 139594), (169, 122248), (182, 113516), (236, 87542), (259, 79768), (296, 69797), (338, 61124), (364, 56758), (413, 50024), (472, 43771), (481, 42952), (518, 39884), (676, 30562), (728, 28379), (767, 26936), (826, 25012), (962, 21476), (1036, 19942), (1183, 17464), (1352, 15281), (1534, 13468), (1652, 12506), (1924, 10738), (2072, 9971), (2183, 9464), (2366, 8732), (3068, 6734), (3304, 6253), (3367, 6136), (3848, 5369), (4366, 4732)]