20594510

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 17421490

約数列:

[1, 2, 5, 10, 79, 131, 158, 199, 262, 395, 398, 655, 790, 995, 1310, 1990, 10349, 15721, 20698, 26069, 31442, 51745, 52138, 78605, 103490, 130345, 157210, 260690, 2059451, 4118902, 10297255, 20594510]

約数ペア:

[(1, 20594510), (2, 10297255), (5, 4118902), (10, 2059451), (79, 260690), (131, 157210), (158, 130345), (199, 103490), (262, 78605), (395, 52138), (398, 51745), (655, 31442), (790, 26069), (995, 20698), (1310, 15721), (1990, 10349)]