20880288

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^3$

素因数の和:69

約数の個数: 192

約数和(自身を含む): 71971200

約数和(自身を除く): 51090912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 32, 33, 36, 39, 44, 48, 52, 54, 66, 72, 78, 88, 96, 99, 104, 108, 117, 132, 143, 144, 156, 169, 176, 198, 208, 216, 234, 264, 286, 288, 297, 312, 338, 351, 352, 396, 416, 429, 432, 468, 507, 528, 572, 594, 624, 676, 702, 792, 858, 864, 936, 1014, 1056, 1144, 1188, 1248, 1287, 1352, 1404, 1521, 1584, 1716, 1859, 1872, 2028, 2197, 2288, 2376, 2574, 2704, 2808, 3042, 3168, 3432, 3718, 3744, 3861, 4056, 4394, 4563, 4576, 4752, 5148, 5408, 5577, 5616, 6084, 6591, 6864, 7436, 7722, 8112, 8788, 9126, 9504, 10296, 11154, 11232, 12168, 13182, 13728, 14872, 15444, 16224, 16731, 17576, 18252, 19773, 20592, 22308, 24167, 24336, 26364, 29744, 30888, 33462, 35152, 36504, 39546, 41184, 44616, 48334, 48672, 50193, 52728, 59319, 59488, 61776, 66924, 70304, 72501, 73008, 79092, 89232, 96668, 100386, 105456, 118638, 123552, 133848, 145002, 146016, 158184, 178464, 193336, 200772, 210912, 217503, 237276, 267696, 290004, 316368, 386672, 401544, 435006, 474552, 535392, 580008, 632736, 652509, 773344, 803088, 870012, 949104, 1160016, 1305018, 1606176, 1740024, 1898208, 2320032, 2610036, 3480048, 5220072, 6960096, 10440144, 20880288]

約数ペア:

[(1, 20880288), (2, 10440144), (3, 6960096), (4, 5220072), (6, 3480048), (8, 2610036), (9, 2320032), (11, 1898208), (12, 1740024), (13, 1606176), (16, 1305018), (18, 1160016), (22, 949104), (24, 870012), (26, 803088), (27, 773344), (32, 652509), (33, 632736), (36, 580008), (39, 535392), (44, 474552), (48, 435006), (52, 401544), (54, 386672), (66, 316368), (72, 290004), (78, 267696), (88, 237276), (96, 217503), (99, 210912), (104, 200772), (108, 193336), (117, 178464), (132, 158184), (143, 146016), (144, 145002), (156, 133848), (169, 123552), (176, 118638), (198, 105456), (208, 100386), (216, 96668), (234, 89232), (264, 79092), (286, 73008), (288, 72501), (297, 70304), (312, 66924), (338, 61776), (351, 59488), (352, 59319), (396, 52728), (416, 50193), (429, 48672), (432, 48334), (468, 44616), (507, 41184), (528, 39546), (572, 36504), (594, 35152), (624, 33462), (676, 30888), (702, 29744), (792, 26364), (858, 24336), (864, 24167), (936, 22308), (1014, 20592), (1056, 19773), (1144, 18252), (1188, 17576), (1248, 16731), (1287, 16224), (1352, 15444), (1404, 14872), (1521, 13728), (1584, 13182), (1716, 12168), (1859, 11232), (1872, 11154), (2028, 10296), (2197, 9504), (2288, 9126), (2376, 8788), (2574, 8112), (2704, 7722), (2808, 7436), (3042, 6864), (3168, 6591), (3432, 6084), (3718, 5616), (3744, 5577), (3861, 5408), (4056, 5148), (4394, 4752), (4563, 4576)]