20074467

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 34227360

約数和(自身を除く): 14152893

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 277, 357, 493, 609, 831, 833, 1421, 1479, 1939, 2499, 3451, 4263, 4709, 5817, 8033, 10353, 13573, 14127, 24099, 24157, 32963, 40719, 56231, 72471, 98889, 136561, 168693, 230741, 393617, 409683, 692223, 955927, 1180851, 2867781, 6691489, 20074467]

約数ペア:

[(1, 20074467), (3, 6691489), (7, 2867781), (17, 1180851), (21, 955927), (29, 692223), (49, 409683), (51, 393617), (87, 230741), (119, 168693), (147, 136561), (203, 98889), (277, 72471), (357, 56231), (493, 40719), (609, 32963), (831, 24157), (833, 24099), (1421, 14127), (1479, 13573), (1939, 10353), (2499, 8033), (3451, 5817), (4263, 4709)]