20974769408

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^2$

素因数の和:924

約数の個数: 108

約数和(自身を含む): 46093753440

約数和(自身を除く): 25118984032

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 256, 304, 368, 433, 437, 608, 736, 866, 874, 1216, 1472, 1732, 1748, 2432, 2944, 3464, 3496, 4864, 5888, 6928, 6992, 8227, 9959, 13856, 13984, 16454, 19918, 27712, 27968, 32908, 39836, 55424, 55936, 65816, 79672, 110848, 111872, 131632, 159344, 187489, 189221, 263264, 318688, 374978, 378442, 526528, 637376, 749956, 756884, 1053056, 1274752, 1499912, 1513768, 2106112, 2549504, 2999824, 3027536, 3562291, 4312247, 5999648, 6055072, 7124582, 8624494, 11999296, 12110144, 14249164, 17248988, 23998592, 24220288, 28498328, 34497976, 47997184, 48440576, 56996656, 68995952, 81932693, 113993312, 137991904, 163865386, 227986624, 275983808, 327730772, 455973248, 551967616, 655461544, 911946496, 1103935232, 1310923088, 2621846176, 5243692352, 10487384704, 20974769408]

約数ペア:

[(1, 20974769408), (2, 10487384704), (4, 5243692352), (8, 2621846176), (16, 1310923088), (19, 1103935232), (23, 911946496), (32, 655461544), (38, 551967616), (46, 455973248), (64, 327730772), (76, 275983808), (92, 227986624), (128, 163865386), (152, 137991904), (184, 113993312), (256, 81932693), (304, 68995952), (368, 56996656), (433, 48440576), (437, 47997184), (608, 34497976), (736, 28498328), (866, 24220288), (874, 23998592), (1216, 17248988), (1472, 14249164), (1732, 12110144), (1748, 11999296), (2432, 8624494), (2944, 7124582), (3464, 6055072), (3496, 5999648), (4864, 4312247), (5888, 3562291), (6928, 3027536), (6992, 2999824), (8227, 2549504), (9959, 2106112), (13856, 1513768), (13984, 1499912), (16454, 1274752), (19918, 1053056), (27712, 756884), (27968, 749956), (32908, 637376), (39836, 526528), (55424, 378442), (55936, 374978), (65816, 318688), (79672, 263264), (110848, 189221), (111872, 187489), (131632, 159344)]