200022128

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{12539}}^1$

素因数の和:13544

約数の個数: 20

約数和(自身を含む): 387962520

約数和(自身を除く): 187940392

約数列:

[1, 2, 4, 8, 16, 997, 1994, 3988, 7976, 12539, 15952, 25078, 50156, 100312, 200624, 12501383, 25002766, 50005532, 100011064, 200022128]

約数ペア:

[(1, 200022128), (2, 100011064), (4, 50005532), (8, 25002766), (16, 12501383), (997, 200624), (1994, 100312), (3988, 50156), (7976, 25078), (12539, 15952)]