20681617155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1\times {\mathrm{82507}}^1$

素因数の和:83515

約数の個数: 32

約数和(自身を含む): 35073160704

約数和(自身を除く): 14391543549

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 983, 2949, 4915, 14745, 16711, 50133, 82507, 83555, 247521, 250665, 412535, 1237605, 1402619, 4207857, 7013095, 21039285, 81104381, 243313143, 405521905, 1216565715, 1378774477, 4136323431, 6893872385, 20681617155]

約数ペア:

[(1, 20681617155), (3, 6893872385), (5, 4136323431), (15, 1378774477), (17, 1216565715), (51, 405521905), (85, 243313143), (255, 81104381), (983, 21039285), (2949, 7013095), (4915, 4207857), (14745, 1402619), (16711, 1237605), (50133, 412535), (82507, 250665), (83555, 247521)]