20919393

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5711}}^1$

素因数の和:5765

約数の個数: 24

約数和(自身を含む): 33860736

約数和(自身を除く): 12941343

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5711, 17133, 51399, 62821, 188463, 211307, 565389, 633921, 1901763, 2324377, 6973131, 20919393]

約数ペア:

[(1, 20919393), (3, 6973131), (9, 2324377), (11, 1901763), (33, 633921), (37, 565389), (99, 211307), (111, 188463), (333, 62821), (407, 51399), (1221, 17133), (3663, 5711)]