20086885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 29981952

約数和(自身を除く): 9895067

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 337, 455, 655, 917, 1685, 1703, 2359, 4381, 4585, 8515, 11795, 11921, 21905, 30667, 44147, 59605, 153335, 220735, 309029, 573911, 1545145, 2869555, 4017377, 20086885]

約数ペア:

[(1, 20086885), (5, 4017377), (7, 2869555), (13, 1545145), (35, 573911), (65, 309029), (91, 220735), (131, 153335), (337, 59605), (455, 44147), (655, 30667), (917, 21905), (1685, 11921), (1703, 11795), (2359, 8515), (4381, 4585)]