20762360

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1669}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 46893600

約数和(自身を除く): 26131240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 1669, 2488, 3110, 3338, 6220, 6676, 8345, 12440, 13352, 16690, 33380, 66760, 519059, 1038118, 2076236, 2595295, 4152472, 5190590, 10381180, 20762360]

約数ペア:

[(1, 20762360), (2, 10381180), (4, 5190590), (5, 4152472), (8, 2595295), (10, 2076236), (20, 1038118), (40, 519059), (311, 66760), (622, 33380), (1244, 16690), (1555, 13352), (1669, 12440), (2488, 8345), (3110, 6676), (3338, 6220)]