20688316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20443}}^1$

素因数の和:20481

約数の個数: 24

約数和(自身を含む): 41215104

約数和(自身を除く): 20526788

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20443, 40886, 81772, 224873, 449746, 470189, 899492, 940378, 1880756, 5172079, 10344158, 20688316]

約数ペア:

[(1, 20688316), (2, 10344158), (4, 5172079), (11, 1880756), (22, 940378), (23, 899492), (44, 470189), (46, 449746), (92, 224873), (253, 81772), (506, 40886), (1012, 20443)]