20646795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{937}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 35929152

約数和(自身を除く): 15282357

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 937, 1469, 1695, 2811, 4407, 4685, 7345, 12181, 14055, 22035, 36543, 60905, 105881, 182715, 317643, 529405, 1376453, 1588215, 4129359, 6882265, 20646795]

約数ペア:

[(1, 20646795), (3, 6882265), (5, 4129359), (13, 1588215), (15, 1376453), (39, 529405), (65, 317643), (113, 182715), (195, 105881), (339, 60905), (565, 36543), (937, 22035), (1469, 14055), (1695, 12181), (2811, 7345), (4407, 4685)]