20705748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246497}}^1$

素因数の和:246511

約数の個数: 24

約数和(自身を含む): 55215552

約数和(自身を除く): 34509804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246497, 492994, 739491, 985988, 1478982, 1725479, 2957964, 3450958, 5176437, 6901916, 10352874, 20705748]

約数ペア:

[(1, 20705748), (2, 10352874), (3, 6901916), (4, 5176437), (6, 3450958), (7, 2957964), (12, 1725479), (14, 1478982), (21, 985988), (28, 739491), (42, 492994), (84, 246497)]