220910416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{726679}}^1$

素因数の和:726706

約数の個数: 20

約数和(自身を含む): 450541600

約数和(自身を除く): 229631184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 726679, 1453358, 2906716, 5813432, 11626864, 13806901, 27613802, 55227604, 110455208, 220910416]

約数ペア:

[(1, 220910416), (2, 110455208), (4, 55227604), (8, 27613802), (16, 13806901), (19, 11626864), (38, 5813432), (76, 2906716), (152, 1453358), (304, 726679)]