20356156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{165041}}^1$

素因数の和:165938

約数の個数: 48

約数和(自身を含む): 48910526784

約数和(自身を除く): 28554369844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 881, 1762, 3524, 4405, 6167, 8810, 12334, 17620, 24668, 30835, 61670, 123340, 165041, 330082, 660164, 825205, 1155287, 1650410, 2310574, 3300820, 4621148, 5776435, 11552870, 23105740, 145401121, 290802242, 581604484, 727005605, 1017807847, 1454011210, 2035615694, 2908022420, 4071231388, 5089039235, 10178078470, 20356156940]

約数ペア:

[(1, 20356156940), (2, 10178078470), (4, 5089039235), (5, 4071231388), (7, 2908022420), (10, 2035615694), (14, 1454011210), (20, 1017807847), (28, 727005605), (35, 581604484), (70, 290802242), (140, 145401121), (881, 23105740), (1762, 11552870), (3524, 5776435), (4405, 4621148), (6167, 3300820), (8810, 2310574), (12334, 1650410), (17620, 1155287), (24668, 825205), (30835, 660164), (61670, 330082), (123340, 165041)]