20902574

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135731}}^1$

素因数の和:135751

約数の個数: 16

約数和(自身を含む): 39090816

約数和(自身を除く): 18188242

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135731, 271462, 950117, 1493041, 1900234, 2986082, 10451287, 20902574]

約数ペア:

[(1, 20902574), (2, 10451287), (7, 2986082), (11, 1900234), (14, 1493041), (22, 950117), (77, 271462), (154, 135731)]