20997745939

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{121081}}^1$

素因数の和:121270

約数の個数: 16

約数和(自身を含む): 22269401440

約数和(自身を除く): 1271655501

約数列:

[1, 37, 43, 109, 1591, 4033, 4687, 121081, 173419, 4479997, 5206483, 13197829, 192639871, 488319673, 567506647, 20997745939]

約数ペア:

[(1, 20997745939), (37, 567506647), (43, 488319673), (109, 192639871), (1591, 13197829), (4033, 5206483), (4687, 4479997), (121081, 173419)]