20090008

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23039}}^1$

素因数の和:23154

約数の個数: 16

約数和(自身を含む): 38016000

約数和(自身を除く): 17925992

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23039, 46078, 92156, 184312, 2511251, 5022502, 10045004, 20090008]

約数ペア:

[(1, 20090008), (2, 10045004), (4, 5022502), (8, 2511251), (109, 184312), (218, 92156), (436, 46078), (872, 23039)]