20217802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19553}}^1$

素因数の和:19613

約数の個数: 16

約数和(自身を含む): 33789312

約数和(自身を除く): 13571510

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19553, 39106, 215083, 430166, 918991, 1837982, 10108901, 20217802]

約数ペア:

[(1, 20217802), (2, 10108901), (11, 1837982), (22, 918991), (47, 430166), (94, 215083), (517, 39106), (1034, 19553)]