20781386688

素因数分解:

$2^6\times 3^1\times {\mathrm{449}}^1\times {\mathrm{241061}}^1$

素因数の和:241525

約数の個数: 56

約数和(自身を含む): 55106773200

約数和(自身を除く): 34325386512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 449, 898, 1347, 1796, 2694, 3592, 5388, 7184, 10776, 14368, 21552, 28736, 43104, 86208, 241061, 482122, 723183, 964244, 1446366, 1928488, 2892732, 3856976, 5785464, 7713952, 11570928, 15427904, 23141856, 46283712, 108236389, 216472778, 324709167, 432945556, 649418334, 865891112, 1298836668, 1731782224, 2597673336, 3463564448, 5195346672, 6927128896, 10390693344, 20781386688]

約数ペア:

[(1, 20781386688), (2, 10390693344), (3, 6927128896), (4, 5195346672), (6, 3463564448), (8, 2597673336), (12, 1731782224), (16, 1298836668), (24, 865891112), (32, 649418334), (48, 432945556), (64, 324709167), (96, 216472778), (192, 108236389), (449, 46283712), (898, 23141856), (1347, 15427904), (1796, 11570928), (2694, 7713952), (3592, 5785464), (5388, 3856976), (7184, 2892732), (10776, 1928488), (14368, 1446366), (21552, 964244), (28736, 723183), (43104, 482122), (86208, 241061)]