20512696

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19144904

約数列:

[1, 2, 4, 8, 53, 101, 106, 202, 212, 404, 424, 479, 808, 958, 1916, 3832, 5353, 10706, 21412, 25387, 42824, 48379, 50774, 96758, 101548, 193516, 203096, 387032, 2564087, 5128174, 10256348, 20512696]

約数ペア:

[(1, 20512696), (2, 10256348), (4, 5128174), (8, 2564087), (53, 387032), (101, 203096), (106, 193516), (202, 101548), (212, 96758), (404, 50774), (424, 48379), (479, 42824), (808, 25387), (958, 21412), (1916, 10706), (3832, 5353)]