20178091479

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{23789}}^1$

素因数の和:24064

約数の個数: 48

約数和(自身を含む): 33435417600

約数和(自身を除く): 13257326121

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 239, 273, 507, 717, 1183, 1673, 3107, 3549, 5019, 9321, 21749, 23789, 40391, 65247, 71367, 121173, 166523, 282737, 309257, 499569, 848211, 927771, 2164799, 4020341, 5685571, 6494397, 12061023, 17056713, 28142387, 39798997, 73912423, 84427161, 119396991, 221737269, 517386961, 960861499, 1552160883, 2882584497, 6726030493, 20178091479]

約数ペア:

[(1, 20178091479), (3, 6726030493), (7, 2882584497), (13, 1552160883), (21, 960861499), (39, 517386961), (91, 221737269), (169, 119396991), (239, 84427161), (273, 73912423), (507, 39798997), (717, 28142387), (1183, 17056713), (1673, 12061023), (3107, 6494397), (3549, 5685571), (5019, 4020341), (9321, 2164799), (21749, 927771), (23789, 848211), (40391, 499569), (65247, 309257), (71367, 282737), (121173, 166523)]