20764440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57679}}^1$

素因数の和:57696

約数の個数: 48

約数和(自身を含む): 67485600

約数和(自身を除く): 46721160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57679, 115358, 173037, 230716, 288395, 346074, 461432, 519111, 576790, 692148, 865185, 1038222, 1153580, 1384296, 1730370, 2076444, 2307160, 2595555, 3460740, 4152888, 5191110, 6921480, 10382220, 20764440]

約数ペア:

[(1, 20764440), (2, 10382220), (3, 6921480), (4, 5191110), (5, 4152888), (6, 3460740), (8, 2595555), (9, 2307160), (10, 2076444), (12, 1730370), (15, 1384296), (18, 1153580), (20, 1038222), (24, 865185), (30, 692148), (36, 576790), (40, 519111), (45, 461432), (60, 346074), (72, 288395), (90, 230716), (120, 173037), (180, 115358), (360, 57679)]