201920708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{51563}}^1$

素因数の和:51667

約数の個数: 24

約数和(自身を含む): 389823840

約数和(自身を除く): 187903132

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 51563, 103126, 206252, 567193, 1134386, 2268772, 4589107, 9178214, 18356428, 50480177, 100960354, 201920708]

約数ペア:

[(1, 201920708), (2, 100960354), (4, 50480177), (11, 18356428), (22, 9178214), (44, 4589107), (89, 2268772), (178, 1134386), (356, 567193), (979, 206252), (1958, 103126), (3916, 51563)]