20423888

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44017}}^1$

素因数の和:44054

約数の個数: 20

約数和(自身を含む): 40936740

約数和(自身を除く): 20512852

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44017, 88034, 176068, 352136, 704272, 1276493, 2552986, 5105972, 10211944, 20423888]

約数ペア:

[(1, 20423888), (2, 10211944), (4, 5105972), (8, 2552986), (16, 1276493), (29, 704272), (58, 352136), (116, 176068), (232, 88034), (464, 44017)]