20706255

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27067}}^1$

素因数の和:27095

約数の個数: 24

約数和(自身を含む): 38003472

約数和(自身を除く): 17297217

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27067, 81201, 135335, 243603, 406005, 460139, 1218015, 1380417, 2300695, 4141251, 6902085, 20706255]

約数ペア:

[(1, 20706255), (3, 6902085), (5, 4141251), (9, 2300695), (15, 1380417), (17, 1218015), (45, 460139), (51, 406005), (85, 243603), (153, 135335), (255, 81201), (765, 27067)]