20611690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{187379}}^1$

素因数の和:187397

約数の個数: 16

約数和(自身を含む): 40474080

約数和(自身を除く): 19862390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 187379, 374758, 936895, 1873790, 2061169, 4122338, 10305845, 20611690]

約数ペア:

[(1, 20611690), (2, 10305845), (5, 4122338), (10, 2061169), (11, 1873790), (22, 936895), (55, 374758), (110, 187379)]