20566341

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2797}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 32009120

約数和(自身を除く): 11442779

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2797, 7353, 8391, 25173, 53143, 120271, 159429, 360813, 478287, 1082439, 2285149, 6855447, 20566341]

約数ペア:

[(1, 20566341), (3, 6855447), (9, 2285149), (19, 1082439), (43, 478287), (57, 360813), (129, 159429), (171, 120271), (387, 53143), (817, 25173), (2451, 8391), (2797, 7353)]