20271456

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 72

約数和(自身を含む): 58673160

約数和(自身を除く): 38401704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1193, 1416, 1888, 2124, 2386, 2832, 3579, 4248, 4772, 5664, 7158, 8496, 9544, 10737, 14316, 16992, 19088, 21474, 28632, 38176, 42948, 57264, 70387, 85896, 114528, 140774, 171792, 211161, 281548, 343584, 422322, 563096, 633483, 844644, 1126192, 1266966, 1689288, 2252384, 2533932, 3378576, 5067864, 6757152, 10135728, 20271456]

約数ペア:

[(1, 20271456), (2, 10135728), (3, 6757152), (4, 5067864), (6, 3378576), (8, 2533932), (9, 2252384), (12, 1689288), (16, 1266966), (18, 1126192), (24, 844644), (32, 633483), (36, 563096), (48, 422322), (59, 343584), (72, 281548), (96, 211161), (118, 171792), (144, 140774), (177, 114528), (236, 85896), (288, 70387), (354, 57264), (472, 42948), (531, 38176), (708, 28632), (944, 21474), (1062, 19088), (1193, 16992), (1416, 14316), (1888, 10737), (2124, 9544), (2386, 8496), (2832, 7158), (3579, 5664), (4248, 4772)]