20919371

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 23874048

約数和(自身を除く): 2954677

約数列:

[1, 11, 43, 47, 473, 517, 941, 2021, 10351, 22231, 40463, 44227, 445093, 486497, 1901761, 20919371]

約数ペア:

[(1, 20919371), (11, 1901761), (43, 486497), (47, 445093), (473, 44227), (517, 40463), (941, 22231), (2021, 10351)]