20736868

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16357532

約数列:

[1, 2, 4, 79, 137, 158, 274, 316, 479, 548, 958, 1916, 10823, 21646, 37841, 43292, 65623, 75682, 131246, 151364, 262492, 5184217, 10368434, 20736868]

約数ペア:

[(1, 20736868), (2, 10368434), (4, 5184217), (79, 262492), (137, 151364), (158, 131246), (274, 75682), (316, 65623), (479, 43292), (548, 37841), (958, 21646), (1916, 10823)]