16021820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47123}}^1$

素因数の和:47149

約数の個数: 24

約数和(自身を含む): 35625744

約数和(自身を除く): 19603924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 47123, 94246, 188492, 235615, 471230, 801091, 942460, 1602182, 3204364, 4005455, 8010910, 16021820]

約数ペア:

[(1, 16021820), (2, 8010910), (4, 4005455), (5, 3204364), (10, 1602182), (17, 942460), (20, 801091), (34, 471230), (68, 235615), (85, 188492), (170, 94246), (340, 47123)]