20683208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28411}}^1$

素因数の和:28437

約数の個数: 32

約数和(自身を含む): 47732160

約数和(自身を除く): 27048952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28411, 56822, 113644, 198877, 227288, 369343, 397754, 738686, 795508, 1477372, 1591016, 2585401, 2954744, 5170802, 10341604, 20683208]

約数ペア:

[(1, 20683208), (2, 10341604), (4, 5170802), (7, 2954744), (8, 2585401), (13, 1591016), (14, 1477372), (26, 795508), (28, 738686), (52, 397754), (56, 369343), (91, 227288), (104, 198877), (182, 113644), (364, 56822), (728, 28411)]