20128222964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2429771}}^1$

素因数の和:2429903

約数の個数: 24

約数和(自身を含む): 37418488800

約数和(自身を除く): 17290265836

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 2429771, 4859542, 9719084, 46165649, 92331298, 184662596, 264845039, 529690078, 1059380156, 5032055741, 10064111482, 20128222964]

約数ペア:

[(1, 20128222964), (2, 10064111482), (4, 5032055741), (19, 1059380156), (38, 529690078), (76, 264845039), (109, 184662596), (218, 92331298), (436, 46165649), (2071, 9719084), (4142, 4859542), (8284, 2429771)]