20994194

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:554

約数の個数: 24

約数和(自身を含む): 34389360

約数和(自身を除く): 13395166

約数列:

[1, 2, 13, 26, 169, 179, 338, 347, 358, 694, 2327, 4511, 4654, 9022, 30251, 58643, 60502, 62113, 117286, 124226, 807469, 1614938, 10497097, 20994194]

約数ペア:

[(1, 20994194), (2, 10497097), (13, 1614938), (26, 807469), (169, 124226), (179, 117286), (338, 62113), (347, 60502), (358, 58643), (694, 30251), (2327, 9022), (4511, 4654)]