20794850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4673}}^1$

素因数の和:4774

約数の個数: 24

約数和(自身を含む): 39121380

約数和(自身を除く): 18326530

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 4673, 9346, 23365, 46730, 116825, 233650, 415897, 831794, 2079485, 4158970, 10397425, 20794850]

約数ペア:

[(1, 20794850), (2, 10397425), (5, 4158970), (10, 2079485), (25, 831794), (50, 415897), (89, 233650), (178, 116825), (445, 46730), (890, 23365), (2225, 9346), (4450, 4673)]