20413159

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^3$

素因数の和:155

約数の個数: 16

約数和(自身を含む): 23322880

約数和(自身を除く): 2909721

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1369, 14911, 17797, 42439, 50653, 551707, 658489, 1570243, 20413159]

約数ペア:

[(1, 20413159), (13, 1570243), (31, 658489), (37, 551707), (403, 50653), (481, 42439), (1147, 17797), (1369, 14911)]