20710845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27073}}^1$

素因数の和:27101

約数の個数: 24

約数和(自身を含む): 38011896

約数和(自身を除く): 17301051

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27073, 81219, 135365, 243657, 406095, 460241, 1218285, 1380723, 2301205, 4142169, 6903615, 20710845]

約数ペア:

[(1, 20710845), (3, 6903615), (5, 4142169), (9, 2301205), (15, 1380723), (17, 1218285), (45, 460241), (51, 406095), (85, 243657), (153, 135365), (255, 81219), (765, 27073)]