20101660

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1307}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 42300720

約数和(自身を除く): 22199060

約数列:

[1, 2, 4, 5, 10, 20, 769, 1307, 1538, 2614, 3076, 3845, 5228, 6535, 7690, 13070, 15380, 26140, 1005083, 2010166, 4020332, 5025415, 10050830, 20101660]

約数ペア:

[(1, 20101660), (2, 10050830), (4, 5025415), (5, 4020332), (10, 2010166), (20, 1005083), (769, 26140), (1307, 15380), (1538, 13070), (2614, 7690), (3076, 6535), (3845, 5228)]