20416250

素因数分解:

$2^1\times 5^4\times {\mathrm{16333}}^1$

素因数の和:16355

約数の個数: 20

約数和(自身を含む): 38270562

約数和(自身を除く): 17854312

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16333, 32666, 81665, 163330, 408325, 816650, 2041625, 4083250, 10208125, 20416250]

約数ペア:

[(1, 20416250), (2, 10208125), (5, 4083250), (10, 2041625), (25, 816650), (50, 408325), (125, 163330), (250, 81665), (625, 32666), (1250, 16333)]