16993860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21787}}^1$

素因数の和:21812

約数の個数: 48

約数和(自身を含む): 51245376

約数和(自身を除く): 34251516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21787, 43574, 65361, 87148, 108935, 130722, 217870, 261444, 283231, 326805, 435740, 566462, 653610, 849693, 1132924, 1307220, 1416155, 1699386, 2832310, 3398772, 4248465, 5664620, 8496930, 16993860]

約数ペア:

[(1, 16993860), (2, 8496930), (3, 5664620), (4, 4248465), (5, 3398772), (6, 2832310), (10, 1699386), (12, 1416155), (13, 1307220), (15, 1132924), (20, 849693), (26, 653610), (30, 566462), (39, 435740), (52, 326805), (60, 283231), (65, 261444), (78, 217870), (130, 130722), (156, 108935), (195, 87148), (260, 65361), (390, 43574), (780, 21787)]