20886660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12893}}^1$

素因数の和:12914

約数の個数: 60

約数和(自身を含む): 65527308

約数和(自身を除く): 44640648

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12893, 25786, 38679, 51572, 64465, 77358, 116037, 128930, 154716, 193395, 232074, 257860, 348111, 386790, 464148, 580185, 696222, 773580, 1044333, 1160370, 1392444, 1740555, 2088666, 2320740, 3481110, 4177332, 5221665, 6962220, 10443330, 20886660]

約数ペア:

[(1, 20886660), (2, 10443330), (3, 6962220), (4, 5221665), (5, 4177332), (6, 3481110), (9, 2320740), (10, 2088666), (12, 1740555), (15, 1392444), (18, 1160370), (20, 1044333), (27, 773580), (30, 696222), (36, 580185), (45, 464148), (54, 386790), (60, 348111), (81, 257860), (90, 232074), (108, 193395), (135, 154716), (162, 128930), (180, 116037), (270, 77358), (324, 64465), (405, 51572), (540, 38679), (810, 25786), (1620, 12893)]