20678112

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 53833248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 224, 234, 252, 263, 273, 288, 312, 336, 351, 364, 378, 416, 432, 468, 504, 526, 546, 624, 672, 702, 728, 756, 789, 819, 864, 936, 1008, 1052, 1092, 1248, 1404, 1456, 1512, 1578, 1638, 1841, 1872, 2016, 2104, 2184, 2367, 2457, 2808, 2912, 3024, 3156, 3276, 3419, 3682, 3744, 4208, 4368, 4734, 4914, 5523, 5616, 6048, 6312, 6552, 6838, 7101, 7364, 8416, 8736, 9468, 9828, 10257, 11046, 11232, 12624, 13104, 13676, 14202, 14728, 16569, 18936, 19656, 20514, 22092, 23933, 25248, 26208, 27352, 28404, 29456, 30771, 33138, 37872, 39312, 41028, 44184, 47866, 49707, 54704, 56808, 58912, 61542, 66276, 71799, 75744, 78624, 82056, 88368, 92313, 95732, 99414, 109408, 113616, 123084, 132552, 143598, 164112, 176736, 184626, 191464, 198828, 215397, 227232, 246168, 265104, 287196, 328224, 369252, 382928, 397656, 430794, 492336, 530208, 574392, 646191, 738504, 765856, 795312, 861588, 984672, 1148784, 1292382, 1477008, 1590624, 1723176, 2297568, 2584764, 2954016, 3446352, 5169528, 6892704, 10339056, 20678112]

約数ペア:

[(1, 20678112), (2, 10339056), (3, 6892704), (4, 5169528), (6, 3446352), (7, 2954016), (8, 2584764), (9, 2297568), (12, 1723176), (13, 1590624), (14, 1477008), (16, 1292382), (18, 1148784), (21, 984672), (24, 861588), (26, 795312), (27, 765856), (28, 738504), (32, 646191), (36, 574392), (39, 530208), (42, 492336), (48, 430794), (52, 397656), (54, 382928), (56, 369252), (63, 328224), (72, 287196), (78, 265104), (84, 246168), (91, 227232), (96, 215397), (104, 198828), (108, 191464), (112, 184626), (117, 176736), (126, 164112), (144, 143598), (156, 132552), (168, 123084), (182, 113616), (189, 109408), (208, 99414), (216, 95732), (224, 92313), (234, 88368), (252, 82056), (263, 78624), (273, 75744), (288, 71799), (312, 66276), (336, 61542), (351, 58912), (364, 56808), (378, 54704), (416, 49707), (432, 47866), (468, 44184), (504, 41028), (526, 39312), (546, 37872), (624, 33138), (672, 30771), (702, 29456), (728, 28404), (756, 27352), (789, 26208), (819, 25248), (864, 23933), (936, 22092), (1008, 20514), (1052, 19656), (1092, 18936), (1248, 16569), (1404, 14728), (1456, 14202), (1512, 13676), (1578, 13104), (1638, 12624), (1841, 11232), (1872, 11046), (2016, 10257), (2104, 9828), (2184, 9468), (2367, 8736), (2457, 8416), (2808, 7364), (2912, 7101), (3024, 6838), (3156, 6552), (3276, 6312), (3419, 6048), (3682, 5616), (3744, 5523), (4208, 4914), (4368, 4734)]