20536415984

素因数分解:

$2^4\times 7^1\times {\mathrm{487}}^1\times {\mathrm{376511}}^1$

素因数の和:377013

約数の個数: 40

約数和(自身を含む): 45566988288

約数和(自身を除く): 25030572304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 487, 974, 1948, 3409, 3896, 6818, 7792, 13636, 27272, 54544, 376511, 753022, 1506044, 2635577, 3012088, 5271154, 6024176, 10542308, 21084616, 42169232, 183360857, 366721714, 733443428, 1283525999, 1466886856, 2567051998, 2933773712, 5134103996, 10268207992, 20536415984]

約数ペア:

[(1, 20536415984), (2, 10268207992), (4, 5134103996), (7, 2933773712), (8, 2567051998), (14, 1466886856), (16, 1283525999), (28, 733443428), (56, 366721714), (112, 183360857), (487, 42169232), (974, 21084616), (1948, 10542308), (3409, 6024176), (3896, 5271154), (6818, 3012088), (7792, 2635577), (13636, 1506044), (27272, 753022), (54544, 376511)]