20823858

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{3187}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 50880480

約数和(自身を除く): 30056622

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 121, 198, 242, 297, 363, 594, 726, 1089, 2178, 3187, 3267, 6374, 6534, 9561, 19122, 28683, 35057, 57366, 70114, 86049, 105171, 172098, 210342, 315513, 385627, 631026, 771254, 946539, 1156881, 1893078, 2313762, 3470643, 6941286, 10411929, 20823858]

約数ペア:

[(1, 20823858), (2, 10411929), (3, 6941286), (6, 3470643), (9, 2313762), (11, 1893078), (18, 1156881), (22, 946539), (27, 771254), (33, 631026), (54, 385627), (66, 315513), (99, 210342), (121, 172098), (198, 105171), (242, 86049), (297, 70114), (363, 57366), (594, 35057), (726, 28683), (1089, 19122), (2178, 9561), (3187, 6534), (3267, 6374)]