20880147197

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{697423}}^1$

素因数の和:697497

約数の個数: 24

約数和(自身を含む): 26714128896

約数和(自身を除く): 5833981699

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 2303, 4277, 29939, 697423, 4881961, 9066499, 32778881, 34173727, 63465493, 229452167, 426125453, 444258451, 1606165169, 2982878171, 20880147197]

約数ペア:

[(1, 20880147197), (7, 2982878171), (13, 1606165169), (47, 444258451), (49, 426125453), (91, 229452167), (329, 63465493), (611, 34173727), (637, 32778881), (2303, 9066499), (4277, 4881961), (29939, 697423)]