20133280720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5136041}}^1$

素因数の和:5136068

約数の個数: 60

約数和(自身を含む): 54452317284

約数和(自身を除く): 34319036564

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5136041, 10272082, 20544164, 25680205, 35952287, 41088328, 51360410, 71904574, 82176656, 102720820, 143809148, 179761435, 205441640, 251666009, 287618296, 359522870, 410883280, 503332018, 575236592, 719045740, 1006664036, 1258330045, 1438091480, 2013328072, 2516660090, 2876182960, 4026656144, 5033320180, 10066640360, 20133280720]

約数ペア:

[(1, 20133280720), (2, 10066640360), (4, 5033320180), (5, 4026656144), (7, 2876182960), (8, 2516660090), (10, 2013328072), (14, 1438091480), (16, 1258330045), (20, 1006664036), (28, 719045740), (35, 575236592), (40, 503332018), (49, 410883280), (56, 359522870), (70, 287618296), (80, 251666009), (98, 205441640), (112, 179761435), (140, 143809148), (196, 102720820), (245, 82176656), (280, 71904574), (392, 51360410), (490, 41088328), (560, 35952287), (784, 25680205), (980, 20544164), (1960, 10272082), (3920, 5136041)]