20219496

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 40260504

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 29, 33, 38, 44, 57, 58, 66, 76, 87, 88, 114, 116, 132, 139, 152, 174, 209, 228, 232, 264, 278, 319, 348, 417, 418, 456, 551, 556, 627, 638, 696, 834, 836, 957, 1102, 1112, 1254, 1276, 1529, 1653, 1668, 1672, 1914, 2204, 2508, 2552, 2641, 3058, 3306, 3336, 3828, 4031, 4408, 4587, 5016, 5282, 6061, 6116, 6612, 7656, 7923, 8062, 9174, 10564, 12093, 12122, 12232, 13224, 15846, 16124, 18183, 18348, 21128, 24186, 24244, 29051, 31692, 32248, 36366, 36696, 44341, 48372, 48488, 58102, 63384, 72732, 76589, 87153, 88682, 96744, 116204, 133023, 145464, 153178, 174306, 177364, 229767, 232408, 266046, 306356, 348612, 354728, 459534, 532092, 612712, 697224, 842479, 919068, 1064184, 1684958, 1838136, 2527437, 3369916, 5054874, 6739832, 10109748, 20219496]

約数ペア:

[(1, 20219496), (2, 10109748), (3, 6739832), (4, 5054874), (6, 3369916), (8, 2527437), (11, 1838136), (12, 1684958), (19, 1064184), (22, 919068), (24, 842479), (29, 697224), (33, 612712), (38, 532092), (44, 459534), (57, 354728), (58, 348612), (66, 306356), (76, 266046), (87, 232408), (88, 229767), (114, 177364), (116, 174306), (132, 153178), (139, 145464), (152, 133023), (174, 116204), (209, 96744), (228, 88682), (232, 87153), (264, 76589), (278, 72732), (319, 63384), (348, 58102), (417, 48488), (418, 48372), (456, 44341), (551, 36696), (556, 36366), (627, 32248), (638, 31692), (696, 29051), (834, 24244), (836, 24186), (957, 21128), (1102, 18348), (1112, 18183), (1254, 16124), (1276, 15846), (1529, 13224), (1653, 12232), (1668, 12122), (1672, 12093), (1914, 10564), (2204, 9174), (2508, 8062), (2552, 7923), (2641, 7656), (3058, 6612), (3306, 6116), (3336, 6061), (3828, 5282), (4031, 5016), (4408, 4587)]