20831566

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6904

約数の個数: 24

約数和(自身を含む): 37526976

約数和(自身を除く): 16695410

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6857, 13714, 47999, 95998, 212567, 335993, 425134, 671986, 1487969, 2975938, 10415783, 20831566]

約数ペア:

[(1, 20831566), (2, 10415783), (7, 2975938), (14, 1487969), (31, 671986), (49, 425134), (62, 335993), (98, 212567), (217, 95998), (434, 47999), (1519, 13714), (3038, 6857)]