20738116

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1847}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 41602176

約数和(自身を除く): 20864060

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1847, 2807, 3694, 5614, 7388, 11228, 12929, 25858, 51716, 740647, 1481294, 2962588, 5184529, 10369058, 20738116]

約数ペア:

[(1, 20738116), (2, 10369058), (4, 5184529), (7, 2962588), (14, 1481294), (28, 740647), (401, 51716), (802, 25858), (1604, 12929), (1847, 11228), (2807, 7388), (3694, 5614)]