20440304

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31159}}^1$

素因数の和:31208

約数の個数: 20

約数和(自身を含む): 40570320

約数和(自身を除く): 20130016

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31159, 62318, 124636, 249272, 498544, 1277519, 2555038, 5110076, 10220152, 20440304]

約数ペア:

[(1, 20440304), (2, 10220152), (4, 5110076), (8, 2555038), (16, 1277519), (41, 498544), (82, 249272), (164, 124636), (328, 62318), (656, 31159)]