20667087

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 17072433

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 207, 357, 391, 483, 839, 1071, 1173, 1449, 2517, 2737, 3519, 5873, 7551, 8211, 14263, 17619, 19297, 24633, 42789, 52857, 57891, 99841, 128367, 135079, 173673, 299523, 328049, 405237, 898569, 984147, 1215711, 2296343, 2952441, 6889029, 20667087]

約数ペア:

[(1, 20667087), (3, 6889029), (7, 2952441), (9, 2296343), (17, 1215711), (21, 984147), (23, 898569), (51, 405237), (63, 328049), (69, 299523), (119, 173673), (153, 135079), (161, 128367), (207, 99841), (357, 57891), (391, 52857), (483, 42789), (839, 24633), (1071, 19297), (1173, 17619), (1449, 14263), (2517, 8211), (2737, 7551), (3519, 5873)]