20176490817

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{265337}}^1$

素因数の和:265438

約数の個数: 48

約数和(自身を含む): 35763316992

約数和(自身を除く): 15586826175

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 357, 497, 639, 1071, 1207, 1491, 3621, 4473, 8449, 10863, 25347, 76041, 265337, 796011, 1857359, 2388033, 4510729, 5572077, 13532187, 16716231, 18838927, 31575103, 40596561, 56516781, 94725309, 131872489, 169550343, 284175927, 320261759, 395617467, 960785277, 1186852401, 2241832313, 2882355831, 6725496939, 20176490817]

約数ペア:

[(1, 20176490817), (3, 6725496939), (7, 2882355831), (9, 2241832313), (17, 1186852401), (21, 960785277), (51, 395617467), (63, 320261759), (71, 284175927), (119, 169550343), (153, 131872489), (213, 94725309), (357, 56516781), (497, 40596561), (639, 31575103), (1071, 18838927), (1207, 16716231), (1491, 13532187), (3621, 5572077), (4473, 4510729), (8449, 2388033), (10863, 1857359), (25347, 796011), (76041, 265337)]