20422745

素因数分解:

$5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{823}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 28081920

約数和(自身を除く): 7659175

約数列:

[1, 5, 7, 35, 709, 823, 3545, 4115, 4963, 5761, 24815, 28805, 583507, 2917535, 4084549, 20422745]

約数ペア:

[(1, 20422745), (5, 4084549), (7, 2917535), (35, 583507), (709, 28805), (823, 24815), (3545, 5761), (4115, 4963)]