19901540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34313}}^1$

素因数の和:34351

約数の個数: 24

約数和(自身を含む): 43235640

約数和(自身を除く): 23334100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34313, 68626, 137252, 171565, 343130, 686260, 995077, 1990154, 3980308, 4975385, 9950770, 19901540]

約数ペア:

[(1, 19901540), (2, 9950770), (4, 4975385), (5, 3980308), (10, 1990154), (20, 995077), (29, 686260), (58, 343130), (116, 171565), (145, 137252), (290, 68626), (580, 34313)]