20269795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44549}}^1$

素因数の和:44574

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 9667805

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44549, 222745, 311843, 579137, 1559215, 2895685, 4053959, 20269795]

約数ペア:

[(1, 20269795), (5, 4053959), (7, 2895685), (13, 1559215), (35, 579137), (65, 311843), (91, 222745), (455, 44549)]