20958244

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 38541888

約数和(自身を除く): 17583644

約数列:

[1, 2, 4, 23, 46, 92, 157, 314, 628, 1451, 2902, 3611, 5804, 7222, 14444, 33373, 66746, 133492, 227807, 455614, 911228, 5239561, 10479122, 20958244]

約数ペア:

[(1, 20958244), (2, 10479122), (4, 5239561), (23, 911228), (46, 455614), (92, 227807), (157, 133492), (314, 66746), (628, 33373), (1451, 14444), (2902, 7222), (3611, 5804)]