20491725

素因数分解:

$3^1\times 5^2\times {\mathrm{433}}^1\times {\mathrm{631}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 34011712

約数和(自身を除く): 13519987

約数列:

[1, 3, 5, 15, 25, 75, 433, 631, 1299, 1893, 2165, 3155, 6495, 9465, 10825, 15775, 32475, 47325, 273223, 819669, 1366115, 4098345, 6830575, 20491725]

約数ペア:

[(1, 20491725), (3, 6830575), (5, 4098345), (15, 1366115), (25, 819669), (75, 273223), (433, 47325), (631, 32475), (1299, 15775), (1893, 10825), (2165, 9465), (3155, 6495)]