20147984649

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{8681}}^1$

素因数の和:9022

約数の個数: 48

約数和(自身を含む): 31855299840

約数和(自身を除く): 11707315191

約数列:

[1, 3, 9, 13, 39, 83, 117, 239, 249, 717, 747, 1079, 2151, 3107, 3237, 8681, 9321, 9711, 19837, 26043, 27963, 59511, 78129, 112853, 178533, 257881, 338559, 720523, 773643, 1015677, 2074759, 2161569, 2320929, 6224277, 6484707, 9366799, 18672831, 26971867, 28100397, 80915601, 84301191, 172204997, 242746803, 516614991, 1549844973, 2238664961, 6715994883, 20147984649]

約数ペア:

[(1, 20147984649), (3, 6715994883), (9, 2238664961), (13, 1549844973), (39, 516614991), (83, 242746803), (117, 172204997), (239, 84301191), (249, 80915601), (717, 28100397), (747, 26971867), (1079, 18672831), (2151, 9366799), (3107, 6484707), (3237, 6224277), (8681, 2320929), (9321, 2161569), (9711, 2074759), (19837, 1015677), (26043, 773643), (27963, 720523), (59511, 338559), (78129, 257881), (112853, 178533)]