20785098712

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2305357}}^1$

素因数の和:2305400

約数の個数: 48

約数和(自身を含む): 47305946160

約数和(自身を除く): 26520847448

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 4508, 9016, 2305357, 4610714, 9221428, 16137499, 18442856, 32274998, 53023211, 64549996, 106046422, 112962493, 129099992, 212092844, 225924986, 371162477, 424185688, 451849972, 742324954, 903699944, 1484649908, 2598137339, 2969299816, 5196274678, 10392549356, 20785098712]

約数ペア:

[(1, 20785098712), (2, 10392549356), (4, 5196274678), (7, 2969299816), (8, 2598137339), (14, 1484649908), (23, 903699944), (28, 742324954), (46, 451849972), (49, 424185688), (56, 371162477), (92, 225924986), (98, 212092844), (161, 129099992), (184, 112962493), (196, 106046422), (322, 64549996), (392, 53023211), (644, 32274998), (1127, 18442856), (1288, 16137499), (2254, 9221428), (4508, 4610714), (9016, 2305357)]