20888957362

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{499}}^1\times {\mathrm{1361}}^1$

素因数の和:1908

約数の個数: 64

約数和(自身を含む): 38898720000

約数和(自身を除く): 18009762638

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 499, 998, 1183, 1361, 2197, 2366, 2722, 3493, 4394, 6487, 6986, 9527, 12974, 15379, 17693, 19054, 30758, 35386, 45409, 84331, 90818, 123851, 168662, 230009, 247702, 460018, 590317, 679139, 1096303, 1180634, 1358278, 1610063, 2192606, 2990117, 3220126, 4753973, 5980234, 7674121, 8828807, 9507946, 15348242, 17657614, 20930819, 41861638, 61801649, 114774491, 123603298, 229548982, 803421437, 1492068383, 1606842874, 2984136766, 10444478681, 20888957362]

約数ペア:

[(1, 20888957362), (2, 10444478681), (7, 2984136766), (13, 1606842874), (14, 1492068383), (26, 803421437), (91, 229548982), (169, 123603298), (182, 114774491), (338, 61801649), (499, 41861638), (998, 20930819), (1183, 17657614), (1361, 15348242), (2197, 9507946), (2366, 8828807), (2722, 7674121), (3493, 5980234), (4394, 4753973), (6487, 3220126), (6986, 2990117), (9527, 2192606), (12974, 1610063), (15379, 1358278), (17693, 1180634), (19054, 1096303), (30758, 679139), (35386, 590317), (45409, 460018), (84331, 247702), (90818, 230009), (123851, 168662)]