20607111

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 36661248

約数和(自身を除く): 16054137

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 271, 357, 497, 639, 813, 1071, 1207, 1491, 1897, 2439, 3621, 4473, 4607, 5691, 8449, 10863, 13821, 17073, 19241, 25347, 32249, 41463, 57723, 76041, 96747, 134687, 173169, 290241, 327097, 404061, 981291, 1212183, 2289679, 2943873, 6869037, 20607111]

約数ペア:

[(1, 20607111), (3, 6869037), (7, 2943873), (9, 2289679), (17, 1212183), (21, 981291), (51, 404061), (63, 327097), (71, 290241), (119, 173169), (153, 134687), (213, 96747), (271, 76041), (357, 57723), (497, 41463), (639, 32249), (813, 25347), (1071, 19241), (1207, 17073), (1491, 13821), (1897, 10863), (2439, 8449), (3621, 5691), (4473, 4607)]