20604210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2203

約数の個数: 64

約数和(自身を含む): 55831680

約数和(自身を除く): 35227470

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 2153, 3190, 4306, 4785, 6459, 9570, 10765, 12918, 21530, 23683, 32295, 47366, 62437, 64590, 71049, 118415, 124874, 142098, 187311, 236830, 312185, 355245, 374622, 624370, 686807, 710490, 936555, 1373614, 1873110, 2060421, 3434035, 4120842, 6868070, 10302105, 20604210]

約数ペア:

[(1, 20604210), (2, 10302105), (3, 6868070), (5, 4120842), (6, 3434035), (10, 2060421), (11, 1873110), (15, 1373614), (22, 936555), (29, 710490), (30, 686807), (33, 624370), (55, 374622), (58, 355245), (66, 312185), (87, 236830), (110, 187311), (145, 142098), (165, 124874), (174, 118415), (290, 71049), (319, 64590), (330, 62437), (435, 47366), (638, 32295), (870, 23683), (957, 21530), (1595, 12918), (1914, 10765), (2153, 9570), (3190, 6459), (4306, 4785)]