20898968

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5897}}^1$

素因数の和:6346

約数の個数: 16

約数和(自身を含む): 39280680

約数和(自身を除く): 18381712

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5897, 11794, 23588, 47176, 2612371, 5224742, 10449484, 20898968]

約数ペア:

[(1, 20898968), (2, 10449484), (4, 5224742), (8, 2612371), (443, 47176), (886, 23588), (1772, 11794), (3544, 5897)]