20590884

素因数分解:

$2^2\times 3^2\times {\mathrm{571969}}^1$

素因数の和:571979

約数の個数: 18

約数和(自身を含む): 52049270

約数和(自身を除く): 31458386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571969, 1143938, 1715907, 2287876, 3431814, 5147721, 6863628, 10295442, 20590884]

約数ペア:

[(1, 20590884), (2, 10295442), (3, 6863628), (4, 5147721), (6, 3431814), (9, 2287876), (12, 1715907), (18, 1143938), (36, 571969)]