20409312

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 67568256

約数和(自身を除く): 47158944

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 121, 132, 154, 168, 176, 224, 231, 242, 251, 264, 308, 336, 352, 363, 462, 484, 502, 528, 616, 672, 726, 753, 847, 924, 968, 1004, 1056, 1232, 1452, 1506, 1694, 1757, 1848, 1936, 2008, 2464, 2541, 2761, 2904, 3012, 3388, 3514, 3696, 3872, 4016, 5082, 5271, 5522, 5808, 6024, 6776, 7028, 7392, 8032, 8283, 10164, 10542, 11044, 11616, 12048, 13552, 14056, 16566, 19327, 20328, 21084, 22088, 24096, 27104, 28112, 30371, 33132, 38654, 40656, 42168, 44176, 56224, 57981, 60742, 66264, 77308, 81312, 84336, 88352, 91113, 115962, 121484, 132528, 154616, 168672, 182226, 212597, 231924, 242968, 265056, 309232, 364452, 425194, 463848, 485936, 618464, 637791, 728904, 850388, 927696, 971872, 1275582, 1457808, 1700776, 1855392, 2551164, 2915616, 3401552, 5102328, 6803104, 10204656, 20409312]

約数ペア:

[(1, 20409312), (2, 10204656), (3, 6803104), (4, 5102328), (6, 3401552), (7, 2915616), (8, 2551164), (11, 1855392), (12, 1700776), (14, 1457808), (16, 1275582), (21, 971872), (22, 927696), (24, 850388), (28, 728904), (32, 637791), (33, 618464), (42, 485936), (44, 463848), (48, 425194), (56, 364452), (66, 309232), (77, 265056), (84, 242968), (88, 231924), (96, 212597), (112, 182226), (121, 168672), (132, 154616), (154, 132528), (168, 121484), (176, 115962), (224, 91113), (231, 88352), (242, 84336), (251, 81312), (264, 77308), (308, 66264), (336, 60742), (352, 57981), (363, 56224), (462, 44176), (484, 42168), (502, 40656), (528, 38654), (616, 33132), (672, 30371), (726, 28112), (753, 27104), (847, 24096), (924, 22088), (968, 21084), (1004, 20328), (1056, 19327), (1232, 16566), (1452, 14056), (1506, 13552), (1694, 12048), (1757, 11616), (1848, 11044), (1936, 10542), (2008, 10164), (2464, 8283), (2541, 8032), (2761, 7392), (2904, 7028), (3012, 6776), (3388, 6024), (3514, 5808), (3696, 5522), (3872, 5271), (4016, 5082)]