20565986049

素因数分解:

$3^3\times 7^3\times {\mathrm{277}}^1\times {\mathrm{8017}}^1$

素因数の和:8324

約数の個数: 64

約数和(自身を含む): 35664064000

約数和(自身を除く): 15098077951

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 277, 343, 441, 831, 1029, 1323, 1939, 2493, 3087, 5817, 7479, 8017, 9261, 13573, 17451, 24051, 40719, 52353, 56119, 72153, 95011, 122157, 168357, 216459, 285033, 366471, 392833, 505071, 855099, 1178499, 1515213, 2220709, 2565297, 2749831, 3535497, 6662127, 8249493, 10606491, 15544963, 19986381, 24748479, 46634889, 59959143, 74245437, 108814741, 139904667, 326444223, 419714001, 761703187, 979332669, 2285109561, 2937998007, 6855328683, 20565986049]

約数ペア:

[(1, 20565986049), (3, 6855328683), (7, 2937998007), (9, 2285109561), (21, 979332669), (27, 761703187), (49, 419714001), (63, 326444223), (147, 139904667), (189, 108814741), (277, 74245437), (343, 59959143), (441, 46634889), (831, 24748479), (1029, 19986381), (1323, 15544963), (1939, 10606491), (2493, 8249493), (3087, 6662127), (5817, 3535497), (7479, 2749831), (8017, 2565297), (9261, 2220709), (13573, 1515213), (17451, 1178499), (24051, 855099), (40719, 505071), (52353, 392833), (56119, 366471), (72153, 285033), (95011, 216459), (122157, 168357)]