20174491685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1\times {\mathrm{3929}}^1$

素因数の和:4457

約数の個数: 32

約数和(自身を含む): 25855187040

約数和(自身を除く): 5680695355

約数列:

[1, 5, 17, 85, 193, 313, 965, 1565, 3281, 3929, 5321, 16405, 19645, 26605, 60409, 66793, 302045, 333965, 758297, 1026953, 1229777, 3791485, 5134765, 6148885, 12891049, 20906209, 64455245, 104531045, 237346961, 1186734805, 4034898337, 20174491685]

約数ペア:

[(1, 20174491685), (5, 4034898337), (17, 1186734805), (85, 237346961), (193, 104531045), (313, 64455245), (965, 20906209), (1565, 12891049), (3281, 6148885), (3929, 5134765), (5321, 3791485), (16405, 1229777), (19645, 1026953), (26605, 758297), (60409, 333965), (66793, 302045)]