20189774907

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1465

約数の個数: 64

約数和(自身を含む): 31200294400

約数和(自身を除く): 11010519493

約数列:

[1, 3, 9, 27, 43, 73, 129, 211, 219, 387, 633, 657, 1129, 1161, 1899, 1971, 3139, 3387, 5697, 9073, 9417, 10161, 15403, 27219, 28251, 30483, 46209, 48547, 81657, 82417, 84753, 138627, 145641, 238219, 244971, 247251, 415881, 436923, 662329, 714657, 741753, 1310769, 1986987, 2143971, 2225259, 3543931, 5960961, 6431913, 10243417, 10631793, 17389987, 17882883, 30730251, 31895379, 52169961, 92190753, 95686137, 156509883, 276572259, 469529649, 747769441, 2243308323, 6729924969, 20189774907]

約数ペア:

[(1, 20189774907), (3, 6729924969), (9, 2243308323), (27, 747769441), (43, 469529649), (73, 276572259), (129, 156509883), (211, 95686137), (219, 92190753), (387, 52169961), (633, 31895379), (657, 30730251), (1129, 17882883), (1161, 17389987), (1899, 10631793), (1971, 10243417), (3139, 6431913), (3387, 5960961), (5697, 3543931), (9073, 2225259), (9417, 2143971), (10161, 1986987), (15403, 1310769), (27219, 741753), (28251, 714657), (30483, 662329), (46209, 436923), (48547, 415881), (81657, 247251), (82417, 244971), (84753, 238219), (138627, 145641)]