20914884

素因数分解:

$2^2\times 3^2\times {\mathrm{580969}}^1$

素因数の和:580979

約数の個数: 18

約数和(自身を含む): 52868270

約数和(自身を除く): 31953386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580969, 1161938, 1742907, 2323876, 3485814, 5228721, 6971628, 10457442, 20914884]

約数ペア:

[(1, 20914884), (2, 10457442), (3, 6971628), (4, 5228721), (6, 3485814), (9, 2323876), (12, 1742907), (18, 1161938), (36, 580969)]