20254548

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 30972012

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2309, 2924, 4386, 4618, 6927, 8772, 9236, 13854, 27708, 39253, 78506, 99287, 117759, 157012, 198574, 235518, 297861, 397148, 471036, 595722, 1191444, 1687879, 3375758, 5063637, 6751516, 10127274, 20254548]

約数ペア:

[(1, 20254548), (2, 10127274), (3, 6751516), (4, 5063637), (6, 3375758), (12, 1687879), (17, 1191444), (34, 595722), (43, 471036), (51, 397148), (68, 297861), (86, 235518), (102, 198574), (129, 157012), (172, 117759), (204, 99287), (258, 78506), (516, 39253), (731, 27708), (1462, 13854), (2193, 9236), (2309, 8772), (2924, 6927), (4386, 4618)]