20104227

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 16022493

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 41, 99, 117, 123, 127, 143, 297, 351, 369, 381, 429, 451, 533, 1107, 1143, 1287, 1353, 1397, 1599, 1651, 3429, 3861, 4059, 4191, 4797, 4953, 5207, 5863, 12177, 12573, 14391, 14859, 15621, 17589, 18161, 37719, 44577, 46863, 52767, 54483, 57277, 67691, 140589, 158301, 163449, 171831, 203073, 490347, 515493, 609219, 744601, 1546479, 1827657, 2233803, 6701409, 20104227]

約数ペア:

[(1, 20104227), (3, 6701409), (9, 2233803), (11, 1827657), (13, 1546479), (27, 744601), (33, 609219), (39, 515493), (41, 490347), (99, 203073), (117, 171831), (123, 163449), (127, 158301), (143, 140589), (297, 67691), (351, 57277), (369, 54483), (381, 52767), (429, 46863), (451, 44577), (533, 37719), (1107, 18161), (1143, 17589), (1287, 15621), (1353, 14859), (1397, 14391), (1599, 12573), (1651, 12177), (3429, 5863), (3861, 5207), (4059, 4953), (4191, 4797)]