20966894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{1307}}^1$

素因数の和:1939

約数の個数: 16

約数和(自身を含む): 33950448

約数和(自身を除く): 12983554

約数列:

[1, 2, 13, 26, 617, 1234, 1307, 2614, 8021, 16042, 16991, 33982, 806419, 1612838, 10483447, 20966894]

約数ペア:

[(1, 20966894), (2, 10483447), (13, 1612838), (26, 806419), (617, 33982), (1234, 16991), (1307, 16042), (2614, 8021)]