20214968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61631}}^1$

素因数の和:61678

約数の個数: 16

約数和(自身を含む): 38828160

約数和(自身を除く): 18613192

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61631, 123262, 246524, 493048, 2526871, 5053742, 10107484, 20214968]

約数ペア:

[(1, 20214968), (2, 10107484), (4, 5053742), (8, 2526871), (41, 493048), (82, 246524), (164, 123262), (328, 61631)]