20802907811

素因数分解:

$7^3\times {\mathrm{433}}^1\times {\mathrm{140069}}^1$

素因数の和:140523

約数の個数: 16

約数和(自身を含む): 24316152000

約数和(自身を除く): 3513244189

約数列:

[1, 7, 49, 343, 433, 3031, 21217, 140069, 148519, 980483, 6863381, 48043667, 60649877, 424549139, 2971843973, 20802907811]

約数ペア:

[(1, 20802907811), (7, 2971843973), (49, 424549139), (343, 60649877), (433, 48043667), (3031, 6863381), (21217, 980483), (140069, 148519)]