20077855539

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1\times {\mathrm{947}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 32002781184

約数和(自身を除く): 11924925645

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 443, 903, 947, 1113, 1329, 2279, 2841, 3101, 6629, 6837, 9303, 15953, 19049, 19887, 23479, 40721, 47859, 50191, 57147, 70437, 122163, 133343, 150573, 164353, 285047, 351337, 400029, 419521, 493059, 855141, 1009597, 1054011, 1258563, 2158213, 2936647, 3028791, 6474639, 7067179, 8809941, 15107491, 18039403, 21201537, 22234613, 45322473, 54118209, 66703839, 126275821, 155642291, 378827463, 466926873, 956088359, 2868265077, 6692618513, 20077855539]

約数ペア:

[(1, 20077855539), (3, 6692618513), (7, 2868265077), (21, 956088359), (43, 466926873), (53, 378827463), (129, 155642291), (159, 126275821), (301, 66703839), (371, 54118209), (443, 45322473), (903, 22234613), (947, 21201537), (1113, 18039403), (1329, 15107491), (2279, 8809941), (2841, 7067179), (3101, 6474639), (6629, 3028791), (6837, 2936647), (9303, 2158213), (15953, 1258563), (19049, 1054011), (19887, 1009597), (23479, 855141), (40721, 493059), (47859, 419521), (50191, 400029), (57147, 351337), (70437, 285047), (122163, 164353), (133343, 150573)]