20688576

素因数分解:

$2^6\times 3^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 56

約数和(自身を含む): 55077360

約数和(自身を除く): 34388784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 277, 389, 554, 778, 831, 1108, 1167, 1556, 1662, 2216, 2334, 3112, 3324, 4432, 4668, 6224, 6648, 8864, 9336, 12448, 13296, 17728, 18672, 24896, 26592, 37344, 53184, 74688, 107753, 215506, 323259, 431012, 646518, 862024, 1293036, 1724048, 2586072, 3448096, 5172144, 6896192, 10344288, 20688576]

約数ペア:

[(1, 20688576), (2, 10344288), (3, 6896192), (4, 5172144), (6, 3448096), (8, 2586072), (12, 1724048), (16, 1293036), (24, 862024), (32, 646518), (48, 431012), (64, 323259), (96, 215506), (192, 107753), (277, 74688), (389, 53184), (554, 37344), (778, 26592), (831, 24896), (1108, 18672), (1167, 17728), (1556, 13296), (1662, 12448), (2216, 9336), (2334, 8864), (3112, 6648), (3324, 6224), (4432, 4668)]