20995793

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4976

約数の個数: 16

約数和(自身を含む): 26396160

約数和(自身を除く): 5400367

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4909, 34363, 63817, 230723, 446719, 1615061, 2999399, 20995793]

約数ペア:

[(1, 20995793), (7, 2999399), (13, 1615061), (47, 446719), (91, 230723), (329, 63817), (611, 34363), (4277, 4909)]