20802873350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{667829}}^1$

素因数の和:667937

約数の個数: 48

約数和(自身を含む): 44717896800

約数和(自身を除く): 23915023450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 350, 445, 623, 890, 1246, 2225, 3115, 4450, 6230, 15575, 31150, 667829, 1335658, 3339145, 4674803, 6678290, 9349606, 16695725, 23374015, 33391450, 46748030, 59436781, 116870075, 118873562, 233740150, 297183905, 416057467, 594367810, 832114934, 1485919525, 2080287335, 2971839050, 4160574670, 10401436675, 20802873350]

約数ペア:

[(1, 20802873350), (2, 10401436675), (5, 4160574670), (7, 2971839050), (10, 2080287335), (14, 1485919525), (25, 832114934), (35, 594367810), (50, 416057467), (70, 297183905), (89, 233740150), (175, 118873562), (178, 116870075), (350, 59436781), (445, 46748030), (623, 33391450), (890, 23374015), (1246, 16695725), (2225, 9349606), (3115, 6678290), (4450, 4674803), (6230, 3339145), (15575, 1335658), (31150, 667829)]