20403922

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 18579758

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 2819, 3619, 5638, 7238, 19733, 31009, 39466, 62018, 132493, 217063, 264986, 434126, 927451, 1457423, 1854902, 2914846, 10201961, 20403922]

約数ペア:

[(1, 20403922), (2, 10201961), (7, 2914846), (11, 1854902), (14, 1457423), (22, 927451), (47, 434126), (77, 264986), (94, 217063), (154, 132493), (329, 62018), (517, 39466), (658, 31009), (1034, 19733), (2819, 7238), (3619, 5638)]