20049885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26209}}^1$

素因数の和:26237

約数の個数: 24

約数和(自身を含む): 36798840

約数和(自身を除く): 16748955

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26209, 78627, 131045, 235881, 393135, 445553, 1179405, 1336659, 2227765, 4009977, 6683295, 20049885]

約数ペア:

[(1, 20049885), (3, 6683295), (5, 4009977), (9, 2227765), (15, 1336659), (17, 1179405), (45, 445553), (51, 393135), (85, 235881), (153, 131045), (255, 78627), (765, 26209)]