20824881

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5303}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 15836367

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5303, 15909, 37121, 58333, 90151, 111363, 174999, 270453, 408331, 631057, 991661, 1224993, 1893171, 2974983, 6941627, 20824881]

約数ペア:

[(1, 20824881), (3, 6941627), (7, 2974983), (11, 1893171), (17, 1224993), (21, 991661), (33, 631057), (51, 408331), (77, 270453), (119, 174999), (187, 111363), (231, 90151), (357, 58333), (561, 37121), (1309, 15909), (3927, 5303)]