20565578012

素因数分解:

$2^2\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{521281}}^1$

素因数の和:522701

約数の個数: 24

約数和(自身を含む): 41160426720

約数和(自身を除く): 20594848708

約数列:

[1, 2, 4, 7, 14, 28, 1409, 2818, 5636, 9863, 19726, 39452, 521281, 1042562, 2085124, 3648967, 7297934, 14595868, 734484929, 1468969858, 2937939716, 5141394503, 10282789006, 20565578012]

約数ペア:

[(1, 20565578012), (2, 10282789006), (4, 5141394503), (7, 2937939716), (14, 1468969858), (28, 734484929), (1409, 14595868), (2818, 7297934), (5636, 3648967), (9863, 2085124), (19726, 1042562), (39452, 521281)]