20167993413

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{507103}}^1$

素因数の和:507606

約数の個数: 20

約数和(自身を含む): 30188915328

約数和(自身を除く): 10020921915

約数列:

[1, 3, 9, 27, 81, 491, 1473, 4419, 13257, 39771, 507103, 1521309, 4563927, 13691781, 41075343, 248987573, 746962719, 2240888157, 6722664471, 20167993413]

約数ペア:

[(1, 20167993413), (3, 6722664471), (9, 2240888157), (27, 746962719), (81, 248987573), (491, 41075343), (1473, 13691781), (4419, 4563927), (13257, 1521309), (39771, 507103)]