20191888

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43517}}^1$

素因数の和:43554

約数の個数: 20

約数和(自身を含む): 40471740

約数和(自身を除く): 20279852

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43517, 87034, 174068, 348136, 696272, 1261993, 2523986, 5047972, 10095944, 20191888]

約数ペア:

[(1, 20191888), (2, 10095944), (4, 5047972), (8, 2523986), (16, 1261993), (29, 696272), (58, 348136), (116, 174068), (232, 87034), (464, 43517)]