20176774317

素因数分解:

$3^2\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{313679}}^1$

素因数の和:314713

約数の個数: 24

約数和(自身を含む): 33340419840

約数和(自身を除く): 13163645523

約数列:

[1, 3, 7, 9, 21, 63, 1021, 3063, 7147, 9189, 21441, 64323, 313679, 941037, 2195753, 2823111, 6587259, 19761777, 320266259, 960798777, 2241863813, 2882396331, 6725591439, 20176774317]

約数ペア:

[(1, 20176774317), (3, 6725591439), (7, 2882396331), (9, 2241863813), (21, 960798777), (63, 320266259), (1021, 19761777), (3063, 6587259), (7147, 2823111), (9189, 2195753), (21441, 941037), (64323, 313679)]