20397190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185429}}^1$

素因数の和:185447

約数の個数: 16

約数和(自身を含む): 40052880

約数和(自身を除く): 19655690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 185429, 370858, 927145, 1854290, 2039719, 4079438, 10198595, 20397190]

約数ペア:

[(1, 20397190), (2, 10198595), (5, 4079438), (10, 2039719), (11, 1854290), (22, 927145), (55, 370858), (110, 185429)]