20644818

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{31567}}^1$

素因数の和:31681

約数の個数: 16

約数和(自身を含む): 41669760

約数和(自身を除く): 21024942

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 31567, 63134, 94701, 189402, 3440803, 6881606, 10322409, 20644818]

約数ペア:

[(1, 20644818), (2, 10322409), (3, 6881606), (6, 3440803), (109, 189402), (218, 94701), (327, 63134), (654, 31567)]