20573181

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3881}}^1$

素因数の和:3937

約数の個数: 24

約数和(自身を含む): 32298240

約数和(自身を除く): 11725059

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3881, 5301, 11643, 34929, 73739, 120311, 221217, 360933, 663651, 1082799, 2285909, 6857727, 20573181]

約数ペア:

[(1, 20573181), (3, 6857727), (9, 2285909), (19, 1082799), (31, 663651), (57, 360933), (93, 221217), (171, 120311), (279, 73739), (589, 34929), (1767, 11643), (3881, 5301)]