20435105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5591}}^1$

素因数の和:5656

約数の個数: 16

約数和(自身を含む): 26573184

約数和(自身を除く): 6138079

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5591, 27955, 95047, 240413, 475235, 1202065, 4087021, 20435105]

約数ペア:

[(1, 20435105), (5, 4087021), (17, 1202065), (43, 475235), (85, 240413), (215, 95047), (731, 27955), (3655, 5591)]