20786570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15629}}^1$

素因数の和:15662

約数の個数: 32

約数和(自身を含む): 45014400

約数和(自身を除く): 24227830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15629, 31258, 78145, 109403, 156290, 218806, 296951, 547015, 593902, 1094030, 1484755, 2078657, 2969510, 4157314, 10393285, 20786570]

約数ペア:

[(1, 20786570), (2, 10393285), (5, 4157314), (7, 2969510), (10, 2078657), (14, 1484755), (19, 1094030), (35, 593902), (38, 547015), (70, 296951), (95, 218806), (133, 156290), (190, 109403), (266, 78145), (665, 31258), (1330, 15629)]