20549816

素因数分解:

$2^3\times 7^3\times {\mathrm{7489}}^1$

素因数の和:7516

約数の個数: 32

約数和(自身を含む): 44940000

約数和(自身を除く): 24390184

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7489, 14978, 29956, 52423, 59912, 104846, 209692, 366961, 419384, 733922, 1467844, 2568727, 2935688, 5137454, 10274908, 20549816]

約数ペア:

[(1, 20549816), (2, 10274908), (4, 5137454), (7, 2935688), (8, 2568727), (14, 1467844), (28, 733922), (49, 419384), (56, 366961), (98, 209692), (196, 104846), (343, 59912), (392, 52423), (686, 29956), (1372, 14978), (2744, 7489)]