20558741

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 24860160

約数和(自身を除く): 4301419

約数列:

[1, 7, 19, 133, 331, 467, 2317, 3269, 6289, 8873, 44023, 62111, 154577, 1082039, 2936963, 20558741]

約数ペア:

[(1, 20558741), (7, 2936963), (19, 1082039), (133, 154577), (331, 62111), (467, 44023), (2317, 8873), (3269, 6289)]