20136205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 25127424

約数和(自身を除く): 4991219

約数列:

[1, 5, 31, 155, 163, 797, 815, 3985, 5053, 24707, 25265, 123535, 129911, 649555, 4027241, 20136205]

約数ペア:

[(1, 20136205), (5, 4027241), (31, 649555), (155, 129911), (163, 123535), (797, 25265), (815, 24707), (3985, 5053)]