20794808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 41698800

約数和(自身を除く): 20903992

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1429, 1819, 2858, 3638, 5716, 7276, 11432, 14552, 24293, 48586, 97172, 152903, 194344, 305806, 611612, 1223224, 2599351, 5198702, 10397404, 20794808]

約数ペア:

[(1, 20794808), (2, 10397404), (4, 5198702), (8, 2599351), (17, 1223224), (34, 611612), (68, 305806), (107, 194344), (136, 152903), (214, 97172), (428, 48586), (856, 24293), (1429, 14552), (1819, 11432), (2858, 7276), (3638, 5716)]