20077564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2557}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 38103968

約数和(自身を除く): 18026404

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2557, 3926, 5114, 7852, 10228, 33241, 66482, 132964, 386107, 772214, 1544428, 5019391, 10038782, 20077564]

約数ペア:

[(1, 20077564), (2, 10038782), (4, 5019391), (13, 1544428), (26, 772214), (52, 386107), (151, 132964), (302, 66482), (604, 33241), (1963, 10228), (2557, 7852), (3926, 5114)]