20831384

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 44798880

約数和(自身を除く): 23967496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 937, 1588, 1874, 2779, 3176, 3748, 5558, 6559, 7496, 11116, 13118, 22232, 26236, 52472, 371989, 743978, 1487956, 2603923, 2975912, 5207846, 10415692, 20831384]

約数ペア:

[(1, 20831384), (2, 10415692), (4, 5207846), (7, 2975912), (8, 2603923), (14, 1487956), (28, 743978), (56, 371989), (397, 52472), (794, 26236), (937, 22232), (1588, 13118), (1874, 11116), (2779, 7496), (3176, 6559), (3748, 5558)]