20004568129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{612341}}^1$

素因数の和:612720

約数の個数: 16

約数和(自身を含む): 24689629440

約数和(自身を除く): 4685061311

約数列:

[1, 7, 13, 91, 359, 2513, 4667, 32669, 612341, 4286387, 7960433, 55723031, 219830419, 1538812933, 2857795447, 20004568129]

約数ペア:

[(1, 20004568129), (7, 2857795447), (13, 1538812933), (91, 219830419), (359, 55723031), (2513, 7960433), (4667, 4286387), (32669, 612341)]