20767767

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{839}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 7832553

約数列:

[1, 3, 37, 111, 223, 669, 839, 2517, 8251, 24753, 31043, 93129, 187097, 561291, 6922589, 20767767]

約数ペア:

[(1, 20767767), (3, 6922589), (37, 561291), (111, 187097), (223, 93129), (669, 31043), (839, 24753), (2517, 8251)]