20830690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29339}}^1$

素因数の和:29417

約数の個数: 16

約数和(自身を含む): 38024640

約数和(自身を除く): 17193950

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 29339, 58678, 146695, 293390, 2083069, 4166138, 10415345, 20830690]

約数ペア:

[(1, 20830690), (2, 10415345), (5, 4166138), (10, 2083069), (71, 293390), (142, 146695), (355, 58678), (710, 29339)]