20547580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27767}}^1$

素因数の和:27813

約数の個数: 24

約数和(自身を含む): 44317728

約数和(自身を除く): 23770148

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27767, 55534, 111068, 138835, 277670, 555340, 1027379, 2054758, 4109516, 5136895, 10273790, 20547580]

約数ペア:

[(1, 20547580), (2, 10273790), (4, 5136895), (5, 4109516), (10, 2054758), (20, 1027379), (37, 555340), (74, 277670), (148, 138835), (185, 111068), (370, 55534), (740, 27767)]