20710864

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30103}}^1$

素因数の和:30154

約数の個数: 20

約数和(自身を含む): 41061856

約数和(自身を除く): 20350992

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30103, 60206, 120412, 240824, 481648, 1294429, 2588858, 5177716, 10355432, 20710864]

約数ペア:

[(1, 20710864), (2, 10355432), (4, 5177716), (8, 2588858), (16, 1294429), (43, 481648), (86, 240824), (172, 120412), (344, 60206), (688, 30103)]