6881620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1901}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 14538888

約数和(自身を除く): 7657268

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 1901, 3620, 3802, 7604, 9505, 19010, 38020, 344081, 688162, 1376324, 1720405, 3440810, 6881620]

約数ペア:

[(1, 6881620), (2, 3440810), (4, 1720405), (5, 1376324), (10, 688162), (20, 344081), (181, 38020), (362, 19010), (724, 9505), (905, 7604), (1810, 3802), (1901, 3620)]