20805941391

素因数分解:

$3^1\times {\mathrm{827}}^1\times {\mathrm{1223}}^1\times {\mathrm{6857}}^1$

素因数の和:8910

約数の個数: 16

約数和(自身を含む): 27801563904

約数和(自身を除く): 6995622513

約数列:

[1, 3, 827, 1223, 2481, 3669, 6857, 20571, 1011421, 3034263, 5670739, 8386111, 17012217, 25158333, 6935313797, 20805941391]

約数ペア:

[(1, 20805941391), (3, 6935313797), (827, 25158333), (1223, 17012217), (2481, 8386111), (3669, 5670739), (6857, 3034263), (20571, 1011421)]