20423110

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65881}}^1$

素因数の和:65919

約数の個数: 16

約数和(自身を含む): 37948032

約数和(自身を除く): 17524922

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65881, 131762, 329405, 658810, 2042311, 4084622, 10211555, 20423110]

約数ペア:

[(1, 20423110), (2, 10211555), (5, 4084622), (10, 2042311), (31, 658810), (62, 329405), (155, 131762), (310, 65881)]