20822705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10651}}^1$

素因数の和:10696

約数の個数: 16

約数和(自身を含む): 27609984

約数和(自身を除く): 6787279

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10651, 53255, 181067, 244973, 905335, 1224865, 4164541, 20822705]

約数ペア:

[(1, 20822705), (5, 4164541), (17, 1224865), (23, 905335), (85, 244973), (115, 181067), (391, 53255), (1955, 10651)]