20216351950

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{964981}}^1$

素因数の和:965412

約数の個数: 24

約数和(自身を含む): 37692196920

約数和(自身を除く): 17475844970

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 2095, 4190, 10475, 20950, 964981, 1929962, 4824905, 9649810, 24124525, 48249050, 404327039, 808654078, 2021635195, 4043270390, 10108175975, 20216351950]

約数ペア:

[(1, 20216351950), (2, 10108175975), (5, 4043270390), (10, 2021635195), (25, 808654078), (50, 404327039), (419, 48249050), (838, 24124525), (2095, 9649810), (4190, 4824905), (10475, 1929962), (20950, 964981)]