20837640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173647}}^1$

素因数の和:173661

約数の個数: 32

約数和(自身を含む): 62513280

約数和(自身を除く): 41675640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173647, 347294, 520941, 694588, 868235, 1041882, 1389176, 1736470, 2083764, 2604705, 3472940, 4167528, 5209410, 6945880, 10418820, 20837640]

約数ペア:

[(1, 20837640), (2, 10418820), (3, 6945880), (4, 5209410), (5, 4167528), (6, 3472940), (8, 2604705), (10, 2083764), (12, 1736470), (15, 1389176), (20, 1041882), (24, 868235), (30, 694588), (40, 520941), (60, 347294), (120, 173647)]