20722464

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:583

約数の個数: 144

約数和(自身を含む): 71023680

約数和(自身を除く): 50301216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 532, 541, 608, 672, 684, 798, 912, 1008, 1064, 1082, 1197, 1368, 1596, 1623, 1824, 2016, 2128, 2164, 2394, 2736, 3192, 3246, 3787, 4256, 4328, 4788, 4869, 5472, 6384, 6492, 7574, 8656, 9576, 9738, 10279, 11361, 12768, 12984, 15148, 17312, 19152, 19476, 20558, 22722, 25968, 30296, 30837, 34083, 38304, 38952, 41116, 45444, 51936, 60592, 61674, 68166, 71953, 77904, 82232, 90888, 92511, 121184, 123348, 136332, 143906, 155808, 164464, 181776, 185022, 215859, 246696, 272664, 287812, 328928, 363552, 370044, 431718, 493392, 545328, 575624, 647577, 740088, 863436, 986784, 1090656, 1151248, 1295154, 1480176, 1726872, 2302496, 2590308, 2960352, 3453744, 5180616, 6907488, 10361232, 20722464]

約数ペア:

[(1, 20722464), (2, 10361232), (3, 6907488), (4, 5180616), (6, 3453744), (7, 2960352), (8, 2590308), (9, 2302496), (12, 1726872), (14, 1480176), (16, 1295154), (18, 1151248), (19, 1090656), (21, 986784), (24, 863436), (28, 740088), (32, 647577), (36, 575624), (38, 545328), (42, 493392), (48, 431718), (56, 370044), (57, 363552), (63, 328928), (72, 287812), (76, 272664), (84, 246696), (96, 215859), (112, 185022), (114, 181776), (126, 164464), (133, 155808), (144, 143906), (152, 136332), (168, 123348), (171, 121184), (224, 92511), (228, 90888), (252, 82232), (266, 77904), (288, 71953), (304, 68166), (336, 61674), (342, 60592), (399, 51936), (456, 45444), (504, 41116), (532, 38952), (541, 38304), (608, 34083), (672, 30837), (684, 30296), (798, 25968), (912, 22722), (1008, 20558), (1064, 19476), (1082, 19152), (1197, 17312), (1368, 15148), (1596, 12984), (1623, 12768), (1824, 11361), (2016, 10279), (2128, 9738), (2164, 9576), (2394, 8656), (2736, 7574), (3192, 6492), (3246, 6384), (3787, 5472), (4256, 4869), (4328, 4788)]