20842860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{907}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 58576896

約数和(自身を除く): 37734036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 907, 1149, 1532, 1814, 1915, 2298, 2721, 3628, 3830, 4535, 4596, 5442, 5745, 7660, 9070, 10884, 11490, 13605, 18140, 22980, 27210, 54420, 347381, 694762, 1042143, 1389524, 1736905, 2084286, 3473810, 4168572, 5210715, 6947620, 10421430, 20842860]

約数ペア:

[(1, 20842860), (2, 10421430), (3, 6947620), (4, 5210715), (5, 4168572), (6, 3473810), (10, 2084286), (12, 1736905), (15, 1389524), (20, 1042143), (30, 694762), (60, 347381), (383, 54420), (766, 27210), (907, 22980), (1149, 18140), (1532, 13605), (1814, 11490), (1915, 10884), (2298, 9070), (2721, 7660), (3628, 5745), (3830, 5442), (4535, 4596)]