20652990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688433}}^1$

素因数の和:688443

約数の個数: 16

約数和(自身を含む): 49567248

約数和(自身を除く): 28914258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688433, 1376866, 2065299, 3442165, 4130598, 6884330, 10326495, 20652990]

約数ペア:

[(1, 20652990), (2, 10326495), (3, 6884330), (5, 4130598), (6, 3442165), (10, 2065299), (15, 1376866), (30, 688433)]