20686435

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53731}}^1$

素因数の和:53754

約数の個数: 16

約数和(自身を含む): 30949632

約数和(自身を除く): 10263197

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53731, 268655, 376117, 591041, 1880585, 2955205, 4137287, 20686435]

約数ペア:

[(1, 20686435), (5, 4137287), (7, 2955205), (11, 1880585), (35, 591041), (55, 376117), (77, 268655), (385, 53731)]