20783788

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 37557072

約数和(自身を除く): 16773284

約数列:

[1, 2, 4, 37, 74, 148, 317, 443, 634, 886, 1268, 1772, 11729, 16391, 23458, 32782, 46916, 65564, 140431, 280862, 561724, 5195947, 10391894, 20783788]

約数ペア:

[(1, 20783788), (2, 10391894), (4, 5195947), (37, 561724), (74, 280862), (148, 140431), (317, 65564), (443, 46916), (634, 32782), (886, 23458), (1268, 16391), (1772, 11729)]