20796048

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:83

約数の個数: 240

約数和(自身を含む): 76800640

約数和(自身を除く): 56004592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 23, 24, 26, 27, 28, 36, 39, 42, 46, 48, 52, 54, 56, 63, 69, 72, 78, 84, 91, 92, 104, 108, 112, 117, 126, 138, 144, 156, 161, 168, 182, 184, 189, 207, 208, 216, 234, 252, 273, 276, 299, 312, 322, 336, 351, 364, 368, 378, 414, 432, 468, 483, 504, 529, 546, 552, 598, 621, 624, 644, 702, 728, 756, 819, 828, 897, 936, 966, 1008, 1058, 1092, 1104, 1196, 1242, 1288, 1404, 1449, 1456, 1512, 1587, 1638, 1656, 1794, 1872, 1932, 2093, 2116, 2184, 2392, 2457, 2484, 2576, 2691, 2808, 2898, 3024, 3174, 3276, 3312, 3588, 3703, 3864, 4186, 4232, 4347, 4368, 4761, 4784, 4914, 4968, 5382, 5616, 5796, 6279, 6348, 6552, 6877, 7176, 7406, 7728, 8073, 8372, 8464, 8694, 9522, 9828, 9936, 10764, 11109, 11592, 12558, 12696, 13104, 13754, 14283, 14352, 14812, 16146, 16744, 17388, 18837, 19044, 19656, 20631, 21528, 22218, 23184, 25116, 25392, 27508, 28566, 29624, 32292, 33327, 33488, 34776, 37674, 38088, 39312, 41262, 43056, 44436, 48139, 50232, 55016, 56511, 57132, 59248, 61893, 64584, 66654, 69552, 75348, 76176, 82524, 88872, 96278, 99981, 100464, 110032, 113022, 114264, 123786, 129168, 133308, 144417, 150696, 165048, 177744, 185679, 192556, 199962, 226044, 228528, 247572, 266616, 288834, 301392, 330096, 371358, 385112, 399924, 433251, 452088, 495144, 533232, 577668, 742716, 770224, 799848, 866502, 904176, 990288, 1155336, 1299753, 1485432, 1599696, 1733004, 2310672, 2599506, 2970864, 3466008, 5199012, 6932016, 10398024, 20796048]

約数ペア:

[(1, 20796048), (2, 10398024), (3, 6932016), (4, 5199012), (6, 3466008), (7, 2970864), (8, 2599506), (9, 2310672), (12, 1733004), (13, 1599696), (14, 1485432), (16, 1299753), (18, 1155336), (21, 990288), (23, 904176), (24, 866502), (26, 799848), (27, 770224), (28, 742716), (36, 577668), (39, 533232), (42, 495144), (46, 452088), (48, 433251), (52, 399924), (54, 385112), (56, 371358), (63, 330096), (69, 301392), (72, 288834), (78, 266616), (84, 247572), (91, 228528), (92, 226044), (104, 199962), (108, 192556), (112, 185679), (117, 177744), (126, 165048), (138, 150696), (144, 144417), (156, 133308), (161, 129168), (168, 123786), (182, 114264), (184, 113022), (189, 110032), (207, 100464), (208, 99981), (216, 96278), (234, 88872), (252, 82524), (273, 76176), (276, 75348), (299, 69552), (312, 66654), (322, 64584), (336, 61893), (351, 59248), (364, 57132), (368, 56511), (378, 55016), (414, 50232), (432, 48139), (468, 44436), (483, 43056), (504, 41262), (529, 39312), (546, 38088), (552, 37674), (598, 34776), (621, 33488), (624, 33327), (644, 32292), (702, 29624), (728, 28566), (756, 27508), (819, 25392), (828, 25116), (897, 23184), (936, 22218), (966, 21528), (1008, 20631), (1058, 19656), (1092, 19044), (1104, 18837), (1196, 17388), (1242, 16744), (1288, 16146), (1404, 14812), (1449, 14352), (1456, 14283), (1512, 13754), (1587, 13104), (1638, 12696), (1656, 12558), (1794, 11592), (1872, 11109), (1932, 10764), (2093, 9936), (2116, 9828), (2184, 9522), (2392, 8694), (2457, 8464), (2484, 8372), (2576, 8073), (2691, 7728), (2808, 7406), (2898, 7176), (3024, 6877), (3174, 6552), (3276, 6348), (3312, 6279), (3588, 5796), (3703, 5616), (3864, 5382), (4186, 4968), (4232, 4914), (4347, 4784), (4368, 4761)]