20013658

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 38007144

約数和(自身を除く): 17993486

約数列:

[1, 2, 7, 14, 17, 34, 41, 49, 82, 98, 119, 238, 287, 293, 574, 586, 697, 833, 1394, 1666, 2009, 2051, 4018, 4102, 4879, 4981, 9758, 9962, 12013, 14357, 24026, 28714, 34153, 34867, 68306, 69734, 84091, 168182, 204221, 244069, 408442, 488138, 588637, 1177274, 1429547, 2859094, 10006829, 20013658]

約数ペア:

[(1, 20013658), (2, 10006829), (7, 2859094), (14, 1429547), (17, 1177274), (34, 588637), (41, 488138), (49, 408442), (82, 244069), (98, 204221), (119, 168182), (238, 84091), (287, 69734), (293, 68306), (574, 34867), (586, 34153), (697, 28714), (833, 24026), (1394, 14357), (1666, 12013), (2009, 9962), (2051, 9758), (4018, 4981), (4102, 4879)]