20572084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3917}}^1$

素因数の和:4035

約数の個数: 24

約数和(自身を含む): 39164328

約数和(自身を除く): 18592244

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3917, 5252, 7834, 15668, 50921, 101842, 203684, 395617, 791234, 1582468, 5143021, 10286042, 20572084]

約数ペア:

[(1, 20572084), (2, 10286042), (4, 5143021), (13, 1582468), (26, 791234), (52, 395617), (101, 203684), (202, 101842), (404, 50921), (1313, 15668), (2626, 7834), (3917, 5252)]