20107740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2411}}^1$

素因数の和:2562

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 36622500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2411, 2780, 4170, 4822, 7233, 8340, 9644, 12055, 14466, 24110, 28932, 36165, 48220, 72330, 144660, 335129, 670258, 1005387, 1340516, 1675645, 2010774, 3351290, 4021548, 5026935, 6702580, 10053870, 20107740]

約数ペア:

[(1, 20107740), (2, 10053870), (3, 6702580), (4, 5026935), (5, 4021548), (6, 3351290), (10, 2010774), (12, 1675645), (15, 1340516), (20, 1005387), (30, 670258), (60, 335129), (139, 144660), (278, 72330), (417, 48220), (556, 36165), (695, 28932), (834, 24110), (1390, 14466), (1668, 12055), (2085, 9644), (2411, 8340), (2780, 7233), (4170, 4822)]