20686993408

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 44697154320

約数和(自身を除く): 24010160912

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 457, 496, 512, 713, 736, 914, 961, 992, 1024, 1426, 1472, 1828, 1922, 1984, 2048, 2852, 2944, 3656, 3844, 3968, 5704, 5888, 7312, 7688, 7936, 10511, 11408, 11776, 14167, 14624, 15376, 15872, 21022, 22103, 22816, 23552, 28334, 29248, 30752, 31744, 42044, 44206, 45632, 47104, 56668, 58496, 61504, 63488, 84088, 88412, 91264, 113336, 116992, 123008, 168176, 176824, 182528, 226672, 233984, 246016, 325841, 336352, 353648, 365056, 439177, 453344, 467968, 492032, 651682, 672704, 707296, 730112, 878354, 906688, 935936, 984064, 1303364, 1345408, 1414592, 1460224, 1756708, 1813376, 1968128, 2606728, 2690816, 2829184, 3513416, 3626752, 5213456, 5381632, 5658368, 7026832, 7253504, 10101071, 10426912, 10763264, 11316736, 14053664, 14507008, 20202142, 20853824, 21526528, 22633472, 28107328, 29014016, 40404284, 41707648, 45266944, 56214656, 80808568, 83415296, 112429312, 161617136, 166830592, 224858624, 323234272, 333661184, 449717248, 646468544, 667322368, 899434496, 1292937088, 2585874176, 5171748352, 10343496704, 20686993408]

約数ペア:

[(1, 20686993408), (2, 10343496704), (4, 5171748352), (8, 2585874176), (16, 1292937088), (23, 899434496), (31, 667322368), (32, 646468544), (46, 449717248), (62, 333661184), (64, 323234272), (92, 224858624), (124, 166830592), (128, 161617136), (184, 112429312), (248, 83415296), (256, 80808568), (368, 56214656), (457, 45266944), (496, 41707648), (512, 40404284), (713, 29014016), (736, 28107328), (914, 22633472), (961, 21526528), (992, 20853824), (1024, 20202142), (1426, 14507008), (1472, 14053664), (1828, 11316736), (1922, 10763264), (1984, 10426912), (2048, 10101071), (2852, 7253504), (2944, 7026832), (3656, 5658368), (3844, 5381632), (3968, 5213456), (5704, 3626752), (5888, 3513416), (7312, 2829184), (7688, 2690816), (7936, 2606728), (10511, 1968128), (11408, 1813376), (11776, 1756708), (14167, 1460224), (14624, 1414592), (15376, 1345408), (15872, 1303364), (21022, 984064), (22103, 935936), (22816, 906688), (23552, 878354), (28334, 730112), (29248, 707296), (30752, 672704), (31744, 651682), (42044, 492032), (44206, 467968), (45632, 453344), (47104, 439177), (56668, 365056), (58496, 353648), (61504, 336352), (63488, 325841), (84088, 246016), (88412, 233984), (91264, 226672), (113336, 182528), (116992, 176824), (123008, 168176)]