20369961

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4931}}^1$

素因数の和:4963

約数の個数: 24

約数和(自身を含む): 32314464

約数和(自身を除く): 11944503

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4931, 14793, 44379, 83827, 133137, 251481, 399411, 754443, 1198233, 2263329, 6789987, 20369961]

約数ペア:

[(1, 20369961), (3, 6789987), (9, 2263329), (17, 1198233), (27, 754443), (51, 399411), (81, 251481), (153, 133137), (243, 83827), (459, 44379), (1377, 14793), (4131, 4931)]