20803805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10223}}^1$

素因数の和:10276

約数の個数: 16

約数和(自身を含む): 27972864

約数和(自身を除く): 7169059

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10223, 51115, 112453, 378251, 562265, 1891255, 4160761, 20803805]

約数ペア:

[(1, 20803805), (5, 4160761), (11, 1891255), (37, 562265), (55, 378251), (185, 112453), (407, 51115), (2035, 10223)]