20427966

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87299}}^1$

素因数の和:87320

約数の個数: 24

約数和(自身を含む): 47665800

約数和(自身を除く): 27237834

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87299, 174598, 261897, 523794, 785691, 1134887, 1571382, 2269774, 3404661, 6809322, 10213983, 20427966]

約数ペア:

[(1, 20427966), (2, 10213983), (3, 6809322), (6, 3404661), (9, 2269774), (13, 1571382), (18, 1134887), (26, 785691), (39, 523794), (78, 261897), (117, 174598), (234, 87299)]