20799590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12919}}^1$

素因数の和:12956

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 23851930

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12919, 25838, 64595, 90433, 129190, 180866, 297137, 452165, 594274, 904330, 1485685, 2079959, 2971370, 4159918, 10399795, 20799590]

約数ペア:

[(1, 20799590), (2, 10399795), (5, 4159918), (7, 2971370), (10, 2079959), (14, 1485685), (23, 904330), (35, 594274), (46, 452165), (70, 297137), (115, 180866), (161, 129190), (230, 90433), (322, 64595), (805, 25838), (1610, 12919)]