20521336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10139}}^1$

素因数の和:10179

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 23283464

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10139, 20278, 40556, 81112, 111529, 223058, 233197, 446116, 466394, 892232, 932788, 1865576, 2565167, 5130334, 10260668, 20521336]

約数ペア:

[(1, 20521336), (2, 10260668), (4, 5130334), (8, 2565167), (11, 1865576), (22, 932788), (23, 892232), (44, 466394), (46, 446116), (88, 233197), (92, 223058), (184, 111529), (253, 81112), (506, 40556), (1012, 20278), (2024, 10139)]