20898702957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{89689}}^1$

素因数の和:90033

約数の個数: 32

約数和(自身を含む): 31823447040

約数和(自身を除く): 10924744083

約数列:

[1, 3, 11, 23, 33, 69, 253, 307, 759, 921, 3377, 7061, 10131, 21183, 77671, 89689, 233013, 269067, 986579, 2062847, 2959737, 6188541, 22691317, 27534523, 68073951, 82603569, 302879753, 633294029, 908639259, 1899882087, 6966234319, 20898702957]

約数ペア:

[(1, 20898702957), (3, 6966234319), (11, 1899882087), (23, 908639259), (33, 633294029), (69, 302879753), (253, 82603569), (307, 68073951), (759, 27534523), (921, 22691317), (3377, 6188541), (7061, 2959737), (10131, 2062847), (21183, 986579), (77671, 269067), (89689, 233013)]