20802471928

素因数分解:

$2^3\times 7^1\times {\mathrm{937}}^1\times {\mathrm{396449}}^1$

素因数の和:397399

約数の個数: 32

約数和(自身を含む): 44624412000

約数和(自身を除く): 23821940072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 937, 1874, 3748, 6559, 7496, 13118, 26236, 52472, 396449, 792898, 1585796, 2775143, 3171592, 5550286, 11100572, 22201144, 371472713, 742945426, 1485890852, 2600308991, 2971781704, 5200617982, 10401235964, 20802471928]

約数ペア:

[(1, 20802471928), (2, 10401235964), (4, 5200617982), (7, 2971781704), (8, 2600308991), (14, 1485890852), (28, 742945426), (56, 371472713), (937, 22201144), (1874, 11100572), (3748, 5550286), (6559, 3171592), (7496, 2775143), (13118, 1585796), (26236, 792898), (52472, 396449)]