20199333903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50624897}}^1$

素因数の和:50624926

約数の個数: 16

約数和(自身を含む): 32399934720

約数和(自身を除く): 12200600817

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50624897, 151874691, 354374279, 961873043, 1063122837, 2885619129, 6733111301, 20199333903]

約数ペア:

[(1, 20199333903), (3, 6733111301), (7, 2885619129), (19, 1063122837), (21, 961873043), (57, 354374279), (133, 151874691), (399, 50624897)]