20946673425

素因数分解:

$3^1\times 5^2\times {\mathrm{643}}^1\times {\mathrm{434353}}^1$

素因数の和:435009

約数の個数: 24

約数和(自身を含む): 34685773024

約数和(自身を除く): 13739099599

約数列:

[1, 3, 5, 15, 25, 75, 643, 1929, 3215, 9645, 16075, 48225, 434353, 1303059, 2171765, 6515295, 10858825, 32576475, 279288979, 837866937, 1396444895, 4189334685, 6982224475, 20946673425]

約数ペア:

[(1, 20946673425), (3, 6982224475), (5, 4189334685), (15, 1396444895), (25, 837866937), (75, 279288979), (643, 32576475), (1929, 10858825), (3215, 6515295), (9645, 2171765), (16075, 1303059), (48225, 434353)]