20501589

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9721}}^1$

素因数の和:9780

約数の個数: 16

約数和(自身を含む): 29554880

約数和(自身を除く): 9053291

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9721, 29163, 184699, 359677, 554097, 1079031, 6833863, 20501589]

約数ペア:

[(1, 20501589), (3, 6833863), (19, 1079031), (37, 554097), (57, 359677), (111, 184699), (703, 29163), (2109, 9721)]