20316044

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6421}}^1$

素因数の和:6545

約数の個数: 24

約数和(自身を含む): 40998048

約数和(自身を除く): 20682004

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6421, 12842, 25684, 44947, 89894, 179788, 725573, 1451146, 2902292, 5079011, 10158022, 20316044]

約数ペア:

[(1, 20316044), (2, 10158022), (4, 5079011), (7, 2902292), (14, 1451146), (28, 725573), (113, 179788), (226, 89894), (452, 44947), (791, 25684), (1582, 12842), (3164, 6421)]