20704670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1303}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 42812928

約数和(自身を除く): 22108258

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1303, 1589, 2270, 2606, 3178, 6515, 7945, 9121, 13030, 15890, 18242, 45605, 91210, 295781, 591562, 1478905, 2070467, 2957810, 4140934, 10352335, 20704670]

約数ペア:

[(1, 20704670), (2, 10352335), (5, 4140934), (7, 2957810), (10, 2070467), (14, 1478905), (35, 591562), (70, 295781), (227, 91210), (454, 45605), (1135, 18242), (1303, 15890), (1589, 13030), (2270, 9121), (2606, 7945), (3178, 6515)]