2021950736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9720917}}^1$

素因数の和:9720938

約数の個数: 20

約数和(自身を含む): 4218878412

約数和(自身を除く): 2196927676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9720917, 19441834, 38883668, 77767336, 126371921, 155534672, 252743842, 505487684, 1010975368, 2021950736]

約数ペア:

[(1, 2021950736), (2, 1010975368), (4, 505487684), (8, 252743842), (13, 155534672), (16, 126371921), (26, 77767336), (52, 38883668), (104, 19441834), (208, 9720917)]