20144290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18481}}^1$

素因数の和:18597

約数の個数: 16

約数和(自身を含む): 36594360

約数和(自身を除く): 16450070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18481, 36962, 92405, 184810, 2014429, 4028858, 10072145, 20144290]

約数ペア:

[(1, 20144290), (2, 10072145), (5, 4028858), (10, 2014429), (109, 184810), (218, 92405), (545, 36962), (1090, 18481)]