20051845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7757}}^1$

素因数の和:7820

約数の個数: 16

約数和(自身を含む): 26811648

約数和(自身を除く): 6759803

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7757, 38785, 85327, 364579, 426635, 1822895, 4010369, 20051845]

約数ペア:

[(1, 20051845), (5, 4010369), (11, 1822895), (47, 426635), (55, 364579), (235, 85327), (517, 38785), (2585, 7757)]