20543150

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2999}}^1$

素因数の和:3148

約数の個数: 24

約数和(自身を含む): 38502000

約数和(自身を除く): 17958850

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 2999, 3425, 5998, 6850, 14995, 29990, 74975, 149950, 410863, 821726, 2054315, 4108630, 10271575, 20543150]

約数ペア:

[(1, 20543150), (2, 10271575), (5, 4108630), (10, 2054315), (25, 821726), (50, 410863), (137, 149950), (274, 74975), (685, 29990), (1370, 14995), (2999, 6850), (3425, 5998)]