2020791860

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{564467}}^1$

素因数の和:564655

約数の個数: 24

約数和(自身を含む): 4267378080

約数和(自身を除く): 2246586220

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 564467, 1128934, 2257868, 2822335, 5644670, 11289340, 101039593, 202079186, 404158372, 505197965, 1010395930, 2020791860]

約数ペア:

[(1, 2020791860), (2, 1010395930), (4, 505197965), (5, 404158372), (10, 202079186), (20, 101039593), (179, 11289340), (358, 5644670), (716, 2822335), (895, 2257868), (1790, 1128934), (3580, 564467)]