20101820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59123}}^1$

素因数の和:59149

約数の個数: 24

約数和(自身を含む): 44697744

約数和(自身を除く): 24595924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59123, 118246, 236492, 295615, 591230, 1005091, 1182460, 2010182, 4020364, 5025455, 10050910, 20101820]

約数ペア:

[(1, 20101820), (2, 10050910), (4, 5025455), (5, 4020364), (10, 2010182), (17, 1182460), (20, 1005091), (34, 591230), (68, 295615), (85, 236492), (170, 118246), (340, 59123)]