20117182815

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8765657}}^1$

素因数の和:8765688

約数の個数: 32

約数和(自身を含む): 37867642560

約数和(自身を除く): 17750459745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8765657, 26296971, 43828285, 78890913, 131484855, 149016169, 236672739, 394454565, 447048507, 745080845, 1183363695, 1341145521, 2235242535, 4023436563, 6705727605, 20117182815]

約数ペア:

[(1, 20117182815), (3, 6705727605), (5, 4023436563), (9, 2235242535), (15, 1341145521), (17, 1183363695), (27, 745080845), (45, 447048507), (51, 394454565), (85, 236672739), (135, 149016169), (153, 131484855), (255, 78890913), (459, 43828285), (765, 26296971), (2295, 8765657)]