20569235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2719}}^1$

素因数の和:2830

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 5869165

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2719, 7565, 13595, 46223, 231115, 241991, 1209955, 4113847, 20569235]

約数ペア:

[(1, 20569235), (5, 4113847), (17, 1209955), (85, 241991), (89, 231115), (445, 46223), (1513, 13595), (2719, 7565)]