20175192009

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16854797}}^1$

素因数の和:16854829

約数の個数: 24

約数和(自身を含む): 35057979840

約数和(自身を除く): 14882787831

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16854797, 50564391, 117983579, 151693173, 320241143, 353950737, 960723429, 1061852211, 2241688001, 2882170287, 6725064003, 20175192009]

約数ペア:

[(1, 20175192009), (3, 6725064003), (7, 2882170287), (9, 2241688001), (19, 1061852211), (21, 960723429), (57, 353950737), (63, 320241143), (133, 151693173), (171, 117983579), (399, 50564391), (1197, 16854797)]