20826831

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1913}}^1$

素因数の和:2126

約数の個数: 16

約数和(自身を含む): 29399040

約数和(自身を除く): 8572209

約数列:

[1, 3, 19, 57, 191, 573, 1913, 3629, 5739, 10887, 36347, 109041, 365383, 1096149, 6942277, 20826831]

約数ペア:

[(1, 20826831), (3, 6942277), (19, 1096149), (57, 365383), (191, 109041), (573, 36347), (1913, 10887), (3629, 5739)]