20045295

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26203}}^1$

素因数の和:26231

約数の個数: 24

約数和(自身を含む): 36790416

約数和(自身を除く): 16745121

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26203, 78609, 131015, 235827, 393045, 445451, 1179135, 1336353, 2227255, 4009059, 6681765, 20045295]

約数ペア:

[(1, 20045295), (3, 6681765), (5, 4009059), (9, 2227255), (15, 1336353), (17, 1179135), (45, 445451), (51, 393045), (85, 235827), (153, 131015), (255, 78609), (765, 26203)]