20169456

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3023}}^1$

素因数の和:3173

約数の個数: 40

約数和(自身を含む): 52496640

約数和(自身を除く): 32327184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3023, 3336, 6046, 6672, 9069, 12092, 18138, 24184, 36276, 48368, 72552, 145104, 420197, 840394, 1260591, 1680788, 2521182, 3361576, 5042364, 6723152, 10084728, 20169456]

約数ペア:

[(1, 20169456), (2, 10084728), (3, 6723152), (4, 5042364), (6, 3361576), (8, 2521182), (12, 1680788), (16, 1260591), (24, 840394), (48, 420197), (139, 145104), (278, 72552), (417, 48368), (556, 36276), (834, 24184), (1112, 18138), (1668, 12092), (2224, 9069), (3023, 6672), (3336, 6046)]