20914191

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 31477680

約数和(自身を除く): 10563489

約数列:

[1, 3, 9, 29, 87, 227, 261, 353, 681, 1059, 2043, 3177, 6583, 10237, 19749, 30711, 59247, 80131, 92133, 240393, 721179, 2323799, 6971397, 20914191]

約数ペア:

[(1, 20914191), (3, 6971397), (9, 2323799), (29, 721179), (87, 240393), (227, 92133), (261, 80131), (353, 59247), (681, 30711), (1059, 19749), (2043, 10237), (3177, 6583)]