19968180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332803}}^1$

素因数の和:332815

約数の個数: 24

約数和(自身を含む): 55911072

約数和(自身を除く): 35942892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332803, 665606, 998409, 1331212, 1664015, 1996818, 3328030, 3993636, 4992045, 6656060, 9984090, 19968180]

約数ペア:

[(1, 19968180), (2, 9984090), (3, 6656060), (4, 4992045), (5, 3993636), (6, 3328030), (10, 1996818), (12, 1664015), (15, 1331212), (20, 998409), (30, 665606), (60, 332803)]