20059204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6421}}^1$

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 38840256

約数和(自身を除く): 18781052

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6421, 12842, 25684, 70631, 141262, 282524, 455891, 911782, 1823564, 5014801, 10029602, 20059204]

約数ペア:

[(1, 20059204), (2, 10029602), (4, 5014801), (11, 1823564), (22, 911782), (44, 455891), (71, 282524), (142, 141262), (284, 70631), (781, 25684), (1562, 12842), (3124, 6421)]