20045445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190909}}^1$

素因数の和:190924

約数の個数: 16

約数和(自身を含む): 36654720

約数和(自身を除く): 16609275

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190909, 572727, 954545, 1336363, 2863635, 4009089, 6681815, 20045445]

約数ペア:

[(1, 20045445), (3, 6681815), (5, 4009089), (7, 2863635), (15, 1336363), (21, 954545), (35, 572727), (105, 190909)]