20164223504

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{743}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 40385986560

約数和(自身を除く): 20221763056

約数列:

[1, 2, 4, 8, 16, 47, 94, 151, 188, 239, 302, 376, 478, 604, 743, 752, 956, 1208, 1486, 1912, 2416, 2972, 3824, 5944, 7097, 11233, 11888, 14194, 22466, 28388, 34921, 36089, 44932, 56776, 69842, 72178, 89864, 112193, 113552, 139684, 144356, 177577, 179728, 224386, 279368, 288712, 355154, 448772, 558736, 577424, 710308, 897544, 1420616, 1696183, 1795088, 2841232, 3392366, 5273071, 6784732, 8346119, 10546142, 13569464, 16692238, 21092284, 26814127, 27138928, 33384476, 42184568, 53628254, 66768952, 84369136, 107256508, 133537904, 214513016, 429026032, 1260263969, 2520527938, 5041055876, 10082111752, 20164223504]

約数ペア:

[(1, 20164223504), (2, 10082111752), (4, 5041055876), (8, 2520527938), (16, 1260263969), (47, 429026032), (94, 214513016), (151, 133537904), (188, 107256508), (239, 84369136), (302, 66768952), (376, 53628254), (478, 42184568), (604, 33384476), (743, 27138928), (752, 26814127), (956, 21092284), (1208, 16692238), (1486, 13569464), (1912, 10546142), (2416, 8346119), (2972, 6784732), (3824, 5273071), (5944, 3392366), (7097, 2841232), (11233, 1795088), (11888, 1696183), (14194, 1420616), (22466, 897544), (28388, 710308), (34921, 577424), (36089, 558736), (44932, 448772), (56776, 355154), (69842, 288712), (72178, 279368), (89864, 224386), (112193, 179728), (113552, 177577), (139684, 144356)]