20775106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21961}}^1$

素因数の和:22017

約数の個数: 16

約数和(自身を含む): 34787808

約数和(自身を除く): 14012702

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21961, 43922, 241571, 483142, 944323, 1888646, 10387553, 20775106]

約数ペア:

[(1, 20775106), (2, 10387553), (11, 1888646), (22, 944323), (43, 483142), (86, 241571), (473, 43922), (946, 21961)]