20497694

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16757986

約数列:

[1, 2, 7, 14, 19, 38, 133, 263, 266, 293, 526, 586, 1841, 2051, 3682, 4102, 4997, 5567, 9994, 11134, 34979, 38969, 69958, 77059, 77938, 154118, 539413, 1078826, 1464121, 2928242, 10248847, 20497694]

約数ペア:

[(1, 20497694), (2, 10248847), (7, 2928242), (14, 1464121), (19, 1078826), (38, 539413), (133, 154118), (263, 77938), (266, 77059), (293, 69958), (526, 38969), (586, 34979), (1841, 11134), (2051, 9994), (3682, 5567), (4102, 4997)]