20940045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199429}}^1$

素因数の和:199444

約数の個数: 16

約数和(自身を含む): 38290560

約数和(自身を除く): 17350515

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199429, 598287, 997145, 1396003, 2991435, 4188009, 6980015, 20940045]

約数ペア:

[(1, 20940045), (3, 6980015), (5, 4188009), (7, 2991435), (15, 1396003), (21, 997145), (35, 598287), (105, 199429)]