20147377551

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{3943}}^1$

素因数の和:4196

約数の個数: 64

約数和(自身を含む): 32713113600

約数和(自身を除く): 12565736049

約数列:

[1, 3, 7, 21, 23, 69, 71, 149, 161, 213, 447, 483, 497, 1043, 1491, 1633, 3129, 3427, 3943, 4899, 10281, 10579, 11431, 11829, 23989, 27601, 31737, 34293, 71967, 74053, 82803, 90689, 222159, 243317, 272067, 279953, 587507, 634823, 729951, 839859, 1703219, 1762521, 1904469, 1959671, 4112549, 5109657, 5879013, 6438919, 12337647, 13512661, 19316757, 40537983, 41712997, 45072433, 94588627, 125138991, 135217299, 283765881, 291990979, 875972937, 959398931, 2878196793, 6715792517, 20147377551]

約数ペア:

[(1, 20147377551), (3, 6715792517), (7, 2878196793), (21, 959398931), (23, 875972937), (69, 291990979), (71, 283765881), (149, 135217299), (161, 125138991), (213, 94588627), (447, 45072433), (483, 41712997), (497, 40537983), (1043, 19316757), (1491, 13512661), (1633, 12337647), (3129, 6438919), (3427, 5879013), (3943, 5109657), (4899, 4112549), (10281, 1959671), (10579, 1904469), (11431, 1762521), (11829, 1703219), (23989, 839859), (27601, 729951), (31737, 634823), (34293, 587507), (71967, 279953), (74053, 272067), (82803, 243317), (90689, 222159)]