20880060215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25937963}}^1$

素因数の和:25937998

約数の個数: 16

約数和(自身を含む): 29880534528

約数和(自身を除く): 9000474313

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25937963, 129689815, 181565741, 596573149, 907828705, 2982865745, 4176012043, 20880060215]

約数ペア:

[(1, 20880060215), (5, 4176012043), (7, 2982865745), (23, 907828705), (35, 596573149), (115, 181565741), (161, 129689815), (805, 25937963)]