20597049

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5623}}^1$

素因数の和:5677

約数の個数: 24

約数和(自身を含む): 33339072

約数和(自身を除く): 12742023

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5623, 16869, 50607, 61853, 185559, 208051, 556677, 624153, 1872459, 2288561, 6865683, 20597049]

約数ペア:

[(1, 20597049), (3, 6865683), (9, 2288561), (11, 1872459), (33, 624153), (37, 556677), (99, 208051), (111, 185559), (333, 61853), (407, 50607), (1221, 16869), (3663, 5623)]