20784930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{953}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 50004864

約数和(自身を除く): 29219934

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727, 953, 1454, 1906, 2181, 2859, 3635, 4362, 4765, 5718, 7270, 9530, 10905, 14295, 21810, 28590, 692831, 1385662, 2078493, 3464155, 4156986, 6928310, 10392465, 20784930]

約数ペア:

[(1, 20784930), (2, 10392465), (3, 6928310), (5, 4156986), (6, 3464155), (10, 2078493), (15, 1385662), (30, 692831), (727, 28590), (953, 21810), (1454, 14295), (1906, 10905), (2181, 9530), (2859, 7270), (3635, 5718), (4362, 4765)]