20178651909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27231649}}^1$

素因数の和:27231684

約数の個数: 16

約数和(自身を含む): 30499448000

約数和(自身を除く): 10320796091

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27231649, 81694947, 354011437, 517401331, 1062034311, 1552203993, 6726217303, 20178651909]

約数ペア:

[(1, 20178651909), (3, 6726217303), (13, 1552203993), (19, 1062034311), (39, 517401331), (57, 354011437), (247, 81694947), (741, 27231649)]