20178906447

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4233041}}^1$

素因数の和:4233278

約数の個数: 16

約数和(自身を含む): 30884274432

約数和(自身を除く): 10705367985

約数列:

[1, 3, 7, 21, 227, 681, 1589, 4767, 4233041, 12699123, 29631287, 88893861, 960900307, 2882700921, 6726302149, 20178906447]

約数ペア:

[(1, 20178906447), (3, 6726302149), (7, 2882700921), (21, 960900307), (227, 88893861), (681, 29631287), (1589, 12699123), (4767, 4233041)]