20477721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5693}}^1$

素因数の和:5816

約数の個数: 16

約数和(自身を含む): 30064320

約数和(自身を除く): 9586599

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5693, 17079, 62623, 187869, 620537, 1861611, 6825907, 20477721]

約数ペア:

[(1, 20477721), (3, 6825907), (11, 1861611), (33, 620537), (109, 187869), (327, 62623), (1199, 17079), (3597, 5693)]