20161085135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{19267}}^1$

素因数の和:19503

約数の個数: 32

約数和(自身を含む): 25718618112

約数和(自身を除く): 5557532977

約数列:

[1, 5, 31, 43, 155, 157, 215, 785, 1333, 4867, 6665, 6751, 19267, 24335, 33755, 96335, 209281, 597277, 828481, 1046405, 2986385, 3024919, 4142405, 15124595, 25682911, 93772489, 128414555, 130071517, 468862445, 650357585, 4032217027, 20161085135]

約数ペア:

[(1, 20161085135), (5, 4032217027), (31, 650357585), (43, 468862445), (155, 130071517), (157, 128414555), (215, 93772489), (785, 25682911), (1333, 15124595), (4867, 4142405), (6665, 3024919), (6751, 2986385), (19267, 1046405), (24335, 828481), (33755, 597277), (96335, 209281)]