20646810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229409}}^1$

素因数の和:229422

約数の個数: 24

約数和(自身を含む): 53681940

約数和(自身を除く): 33035130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229409, 458818, 688227, 1147045, 1376454, 2064681, 2294090, 3441135, 4129362, 6882270, 10323405, 20646810]

約数ペア:

[(1, 20646810), (2, 10323405), (3, 6882270), (5, 4129362), (6, 3441135), (9, 2294090), (10, 2064681), (15, 1376454), (18, 1147045), (30, 688227), (45, 458818), (90, 229409)]