20982380

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5861}}^1$

素因数の和:6049

約数の個数: 24

約数和(自身を含む): 44316720

約数和(自身を除く): 23334340

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5861, 11722, 23444, 29305, 58610, 117220, 1049119, 2098238, 4196476, 5245595, 10491190, 20982380]

約数ペア:

[(1, 20982380), (2, 10491190), (4, 5245595), (5, 4196476), (10, 2098238), (20, 1049119), (179, 117220), (358, 58610), (716, 29305), (895, 23444), (1790, 11722), (3580, 5861)]