20161686818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1\times {\mathrm{17077}}^1$

素因数の和:17611

約数の個数: 48

約数和(自身を含む): 37503288000

約数和(自身を除く): 17341601182

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 499, 998, 1183, 2366, 3493, 6487, 6986, 12974, 17077, 34154, 45409, 84331, 90818, 119539, 168662, 222001, 239078, 444002, 590317, 1180634, 1554007, 2886013, 3108014, 5772026, 8521423, 17042846, 20202091, 40404182, 59649961, 110778499, 119299922, 221556998, 775449493, 1440120487, 1550898986, 2880240974, 10080843409, 20161686818]

約数ペア:

[(1, 20161686818), (2, 10080843409), (7, 2880240974), (13, 1550898986), (14, 1440120487), (26, 775449493), (91, 221556998), (169, 119299922), (182, 110778499), (338, 59649961), (499, 40404182), (998, 20202091), (1183, 17042846), (2366, 8521423), (3493, 5772026), (6487, 3108014), (6986, 2886013), (12974, 1554007), (17077, 1180634), (34154, 590317), (45409, 444002), (84331, 239078), (90818, 222001), (119539, 168662)]