20165754925

素因数分解:

$5^2\times {\mathrm{8941}}^1\times {\mathrm{90217}}^1$

素因数の和:99168

約数の個数: 12

約数和(自身を含む): 25008610036

約数和(自身を除く): 4842855111

約数列:

[1, 5, 25, 8941, 44705, 90217, 223525, 451085, 2255425, 806630197, 4033150985, 20165754925]

約数ペア:

[(1, 20165754925), (5, 4033150985), (25, 806630197), (8941, 2255425), (44705, 451085), (90217, 223525)]