20386804516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{392053933}}^1$

素因数の和:392053950

約数の個数: 12

約数和(自身を含む): 38421285532

約数和(自身を除く): 18034481016

約数列:

[1, 2, 4, 13, 26, 52, 392053933, 784107866, 1568215732, 5096701129, 10193402258, 20386804516]

約数ペア:

[(1, 20386804516), (2, 10193402258), (4, 5096701129), (13, 1568215732), (26, 784107866), (52, 392053933)]