20544590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16979}}^1$

素因数の和:17008

約数の個数: 24

約数和(自身を含む): 40650120

約数和(自身を除く): 20105530

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16979, 33958, 84895, 169790, 186769, 373538, 933845, 1867690, 2054459, 4108918, 10272295, 20544590]

約数ペア:

[(1, 20544590), (2, 10272295), (5, 4108918), (10, 2054459), (11, 1867690), (22, 933845), (55, 373538), (110, 186769), (121, 169790), (242, 84895), (605, 33958), (1210, 16979)]