20548346

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^2$

素因数の和:283

約数の個数: 36

約数和(自身を含む): 38919258

約数和(自身を除く): 18370912

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 127, 182, 254, 637, 889, 1274, 1651, 1778, 3302, 6223, 11557, 12446, 16129, 23114, 32258, 80899, 112903, 161798, 209677, 225806, 419354, 790321, 1467739, 1580642, 2935478, 10274173, 20548346]

約数ペア:

[(1, 20548346), (2, 10274173), (7, 2935478), (13, 1580642), (14, 1467739), (26, 790321), (49, 419354), (91, 225806), (98, 209677), (127, 161798), (182, 112903), (254, 80899), (637, 32258), (889, 23114), (1274, 16129), (1651, 12446), (1778, 11557), (3302, 6223)]