20104435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7193}}^1$

素因数の和:7254

約数の個数: 16

約数和(自身を含む): 26589024

約数和(自身を除く): 6484589

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 7193, 35965, 93509, 309299, 467545, 1546495, 4020887, 20104435]

約数ペア:

[(1, 20104435), (5, 4020887), (13, 1546495), (43, 467545), (65, 309299), (215, 93509), (559, 35965), (2795, 7193)]