20871036112

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1093}}^1\times {\mathrm{1811}}^1$

素因数の和:3571

約数の個数: 40

約数和(自身を含む): 40558430880

約数和(自身を除く): 19687394768

約数列:

[1, 2, 4, 8, 16, 659, 1093, 1318, 1811, 2186, 2636, 3622, 4372, 5272, 7244, 8744, 10544, 14488, 17488, 28976, 720287, 1193449, 1440574, 1979423, 2386898, 2881148, 3958846, 4773796, 5762296, 7917692, 9547592, 11524592, 15835384, 19095184, 31670768, 1304439757, 2608879514, 5217759028, 10435518056, 20871036112]

約数ペア:

[(1, 20871036112), (2, 10435518056), (4, 5217759028), (8, 2608879514), (16, 1304439757), (659, 31670768), (1093, 19095184), (1318, 15835384), (1811, 11524592), (2186, 9547592), (2636, 7917692), (3622, 5762296), (4372, 4773796), (5272, 3958846), (7244, 2881148), (8744, 2386898), (10544, 1979423), (14488, 1440574), (17488, 1193449), (28976, 720287)]