20348064016

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2711629}}^1$

素因数の和:2711711

約数の個数: 40

約数和(自身を含む): 45728928320

約数和(自身を除く): 25380864304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 2711629, 5423258, 10846516, 18981403, 21693032, 37962806, 43386064, 75925612, 151851224, 181679143, 303702448, 363358286, 726716572, 1271754001, 1453433144, 2543508002, 2906866288, 5087016004, 10174032008, 20348064016]

約数ペア:

[(1, 20348064016), (2, 10174032008), (4, 5087016004), (7, 2906866288), (8, 2543508002), (14, 1453433144), (16, 1271754001), (28, 726716572), (56, 363358286), (67, 303702448), (112, 181679143), (134, 151851224), (268, 75925612), (469, 43386064), (536, 37962806), (938, 21693032), (1072, 18981403), (1876, 10846516), (3752, 5423258), (7504, 2711629)]