20197551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{32213}}^1$

素因数の和:32246

約数の個数: 16

約数和(自身を含む): 30925440

約数和(自身を除く): 10727889

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 32213, 96639, 354343, 612047, 1063029, 1836141, 6732517, 20197551]

約数ペア:

[(1, 20197551), (3, 6732517), (11, 1836141), (19, 1063029), (33, 612047), (57, 354343), (209, 96639), (627, 32213)]