20175608831

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 25497600000

約数和(自身を除く): 5321991169

約数列:

[1, 7, 19, 47, 49, 133, 199, 329, 331, 343, 893, 931, 1393, 2303, 2317, 3781, 6251, 6289, 6517, 9353, 9751, 15557, 16121, 16219, 26467, 43757, 44023, 65471, 65869, 68257, 108899, 113533, 177707, 185269, 295583, 306299, 308161, 458297, 461083, 762293, 1243949, 1251511, 1296883, 2069081, 2157127, 3095843, 3208079, 3227581, 5336051, 8707643, 8760577, 14483567, 21670901, 22593067, 58821017, 60953501, 61324039, 101384969, 151696307, 411747119, 429268273, 1061874149, 2882229833, 20175608831]

約数ペア:

[(1, 20175608831), (7, 2882229833), (19, 1061874149), (47, 429268273), (49, 411747119), (133, 151696307), (199, 101384969), (329, 61324039), (331, 60953501), (343, 58821017), (893, 22593067), (931, 21670901), (1393, 14483567), (2303, 8760577), (2317, 8707643), (3781, 5336051), (6251, 3227581), (6289, 3208079), (6517, 3095843), (9353, 2157127), (9751, 2069081), (15557, 1296883), (16121, 1251511), (16219, 1243949), (26467, 762293), (43757, 461083), (44023, 458297), (65471, 308161), (65869, 306299), (68257, 295583), (108899, 185269), (113533, 177707)]