16671020

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1321}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 35091168

約数和(自身を除く): 18420148

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1321, 2524, 2642, 3155, 5284, 6310, 6605, 12620, 13210, 26420, 833551, 1667102, 3334204, 4167755, 8335510, 16671020]

約数ペア:

[(1, 16671020), (2, 8335510), (4, 4167755), (5, 3334204), (10, 1667102), (20, 833551), (631, 26420), (1262, 13210), (1321, 12620), (2524, 6605), (2642, 6310), (3155, 5284)]