20883869

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 22654080

約数和(自身を除く): 1770211

約数列:

[1, 19, 71, 113, 137, 1349, 2147, 2603, 8023, 9727, 15481, 152437, 184813, 294139, 1099151, 20883869]

約数ペア:

[(1, 20883869), (19, 1099151), (71, 294139), (113, 184813), (137, 152437), (1349, 15481), (2147, 9727), (2603, 8023)]