20793993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4229}}^1$

素因数の和:4392

約数の個数: 16

約数和(自身を含む): 30456000

約数和(自身を除く): 9662007

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4229, 4917, 12687, 46519, 139557, 630121, 1890363, 6931331, 20793993]

約数ペア:

[(1, 20793993), (3, 6931331), (11, 1890363), (33, 630121), (149, 139557), (447, 46519), (1639, 12687), (4229, 4917)]