20396043

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4751}}^1$

素因数の和:4816

約数の個数: 20

約数和(自身を含む): 31049568

約数和(自身を除く): 10653525

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4751, 14253, 42759, 128277, 251803, 384831, 755409, 2266227, 6798681, 20396043]

約数ペア:

[(1, 20396043), (3, 6798681), (9, 2266227), (27, 755409), (53, 384831), (81, 251803), (159, 128277), (477, 42759), (1431, 14253), (4293, 4751)]