20179160

素因数分解:

$2^3\times 5^1\times {\mathrm{504479}}^1$

素因数の和:504490

約数の個数: 16

約数和(自身を含む): 45403200

約数和(自身を除く): 25224040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504479, 1008958, 2017916, 2522395, 4035832, 5044790, 10089580, 20179160]

約数ペア:

[(1, 20179160), (2, 10089580), (4, 5044790), (5, 4035832), (8, 2522395), (10, 2017916), (20, 1008958), (40, 504479)]