20786205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15709155

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 263, 479, 789, 1315, 1437, 2395, 2893, 3945, 5269, 7185, 8679, 14465, 15807, 26345, 43395, 79035, 125977, 377931, 629885, 1385747, 1889655, 4157241, 6928735, 20786205]

約数ペア:

[(1, 20786205), (3, 6928735), (5, 4157241), (11, 1889655), (15, 1385747), (33, 629885), (55, 377931), (165, 125977), (263, 79035), (479, 43395), (789, 26345), (1315, 15807), (1437, 14465), (2395, 8679), (2893, 7185), (3945, 5269)]