201320464

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{28403}}^1$

素因数の和:28854

約数の個数: 20

約数和(自身を含む): 390952656

約数和(自身を除く): 189632192

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 28403, 56806, 113612, 227224, 454448, 12582529, 25165058, 50330116, 100660232, 201320464]

約数ペア:

[(1, 201320464), (2, 100660232), (4, 50330116), (8, 25165058), (16, 12582529), (443, 454448), (886, 227224), (1772, 113612), (3544, 56806), (7088, 28403)]