20199109268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1097}}^1\times {\mathrm{354097}}^1$

素因数の和:355211

約数の個数: 24

約数和(自身を含む): 38102361192

約数和(自身を除く): 17903251924

約数列:

[1, 2, 4, 13, 26, 52, 1097, 2194, 4388, 14261, 28522, 57044, 354097, 708194, 1416388, 4603261, 9206522, 18413044, 388444409, 776888818, 1553777636, 5049777317, 10099554634, 20199109268]

約数ペア:

[(1, 20199109268), (2, 10099554634), (4, 5049777317), (13, 1553777636), (26, 776888818), (52, 388444409), (1097, 18413044), (2194, 9206522), (4388, 4603261), (14261, 1416388), (28522, 708194), (57044, 354097)]