20907245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2069}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 5323795

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2069, 10105, 10345, 88967, 97243, 444835, 486215, 4181449, 20907245]

約数ペア:

[(1, 20907245), (5, 4181449), (43, 486215), (47, 444835), (215, 97243), (235, 88967), (2021, 10345), (2069, 10105)]