20489199

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9343}}^1$

素因数の和:9406

約数の個数: 16

約数和(自身を含む): 29601792

約数和(自身を除く): 9112593

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9343, 28029, 158831, 401749, 476493, 1205247, 6829733, 20489199]

約数ペア:

[(1, 20489199), (3, 6829733), (17, 1205247), (43, 476493), (51, 401749), (129, 158831), (731, 28029), (2193, 9343)]