20479901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 22638000

約数和(自身を除く): 2158099

約数列:

[1, 13, 97, 109, 149, 1261, 1417, 1937, 10573, 14453, 16241, 137449, 187889, 211133, 1575377, 20479901]

約数ペア:

[(1, 20479901), (13, 1575377), (97, 211133), (109, 187889), (149, 137449), (1261, 16241), (1417, 14453), (1937, 10573)]