20163779307

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1\times {\mathrm{1289}}^1$

素因数の和:1942

約数の個数: 80

約数和(自身を含む): 35243873280

約数和(自身を除く): 15080093973

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 587, 987, 1269, 1289, 1761, 2961, 3807, 3867, 4109, 5283, 8883, 9023, 11601, 12327, 15849, 26649, 27069, 27589, 34803, 36981, 47547, 60583, 81207, 82767, 104409, 110943, 181749, 193123, 243621, 248301, 332829, 424081, 545247, 579369, 730863, 744903, 756643, 1272243, 1635741, 1738107, 2234709, 2269929, 3816729, 4907223, 5214321, 5296501, 6809787, 11450187, 15642963, 15889503, 20429361, 34350561, 35562221, 47668509, 61288083, 106686663, 143005527, 248935547, 320059989, 429016581, 746806641, 960179967, 2240419923, 2880539901, 6721259769, 20163779307]

約数ペア:

[(1, 20163779307), (3, 6721259769), (7, 2880539901), (9, 2240419923), (21, 960179967), (27, 746806641), (47, 429016581), (63, 320059989), (81, 248935547), (141, 143005527), (189, 106686663), (329, 61288083), (423, 47668509), (567, 35562221), (587, 34350561), (987, 20429361), (1269, 15889503), (1289, 15642963), (1761, 11450187), (2961, 6809787), (3807, 5296501), (3867, 5214321), (4109, 4907223), (5283, 3816729), (8883, 2269929), (9023, 2234709), (11601, 1738107), (12327, 1635741), (15849, 1272243), (26649, 756643), (27069, 744903), (27589, 730863), (34803, 579369), (36981, 545247), (47547, 424081), (60583, 332829), (81207, 248301), (82767, 243621), (104409, 193123), (110943, 181749)]