20068904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80923}}^1$

素因数の和:80960

約数の個数: 16

約数和(自身を含む): 38843520

約数和(自身を除く): 18774616

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80923, 161846, 323692, 647384, 2508613, 5017226, 10034452, 20068904]

約数ペア:

[(1, 20068904), (2, 10034452), (4, 5017226), (8, 2508613), (31, 647384), (62, 323692), (124, 161846), (248, 80923)]