20888580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20479}}^1$

素因数の和:20508

約数の個数: 48

約数和(自身を含む): 61931520

約数和(自身を除く): 41042940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20479, 40958, 61437, 81916, 102395, 122874, 204790, 245748, 307185, 348143, 409580, 614370, 696286, 1044429, 1228740, 1392572, 1740715, 2088858, 3481430, 4177716, 5222145, 6962860, 10444290, 20888580]

約数ペア:

[(1, 20888580), (2, 10444290), (3, 6962860), (4, 5222145), (5, 4177716), (6, 3481430), (10, 2088858), (12, 1740715), (15, 1392572), (17, 1228740), (20, 1044429), (30, 696286), (34, 614370), (51, 409580), (60, 348143), (68, 307185), (85, 245748), (102, 204790), (170, 122874), (204, 102395), (255, 81916), (340, 61437), (510, 40958), (1020, 20479)]