20209984

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{10889}}^1$

素因数の和:10930

約数の個数: 28

約数和(自身を含む): 41490900

約数和(自身を除く): 21280916

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 10889, 21778, 43556, 87112, 174224, 315781, 348448, 631562, 696896, 1263124, 2526248, 5052496, 10104992, 20209984]

約数ペア:

[(1, 20209984), (2, 10104992), (4, 5052496), (8, 2526248), (16, 1263124), (29, 696896), (32, 631562), (58, 348448), (64, 315781), (116, 174224), (232, 87112), (464, 43556), (928, 21778), (1856, 10889)]