20050065

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{433}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 41664000

約数和(自身を除く): 21613935

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 433, 441, 735, 945, 1029, 1299, 1323, 1715, 2165, 2205, 3031, 3087, 3897, 5145, 6495, 6615, 9093, 9261, 11691, 15155, 15435, 19485, 21217, 27279, 45465, 46305, 58455, 63651, 81837, 106085, 136395, 148519, 190953, 318255, 409185, 445557, 572859, 742595, 954765, 1336671, 2227785, 2864295, 4010013, 6683355, 20050065]

約数ペア:

[(1, 20050065), (3, 6683355), (5, 4010013), (7, 2864295), (9, 2227785), (15, 1336671), (21, 954765), (27, 742595), (35, 572859), (45, 445557), (49, 409185), (63, 318255), (105, 190953), (135, 148519), (147, 136395), (189, 106085), (245, 81837), (315, 63651), (343, 58455), (433, 46305), (441, 45465), (735, 27279), (945, 21217), (1029, 19485), (1299, 15435), (1323, 15155), (1715, 11691), (2165, 9261), (2205, 9093), (3031, 6615), (3087, 6495), (3897, 5145)]