20303570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3259}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 42249600

約数和(自身を除く): 21946030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3259, 6230, 6518, 16295, 22813, 32590, 45626, 114065, 228130, 290051, 580102, 1450255, 2030357, 2900510, 4060714, 10151785, 20303570]

約数ペア:

[(1, 20303570), (2, 10151785), (5, 4060714), (7, 2900510), (10, 2030357), (14, 1450255), (35, 580102), (70, 290051), (89, 228130), (178, 114065), (445, 45626), (623, 32590), (890, 22813), (1246, 16295), (3115, 6518), (3259, 6230)]