20565545105

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{112543}}^1$

素因数の和:112805

約数の個数: 32

約数和(自身を含む): 29560356864

約数和(自身を除く): 8994811759

約数列:

[1, 5, 7, 23, 35, 115, 161, 227, 805, 1135, 1589, 5221, 7945, 26105, 36547, 112543, 182735, 562715, 787801, 2588489, 3939005, 12942445, 18119423, 25547261, 90597115, 127736305, 178830827, 587587003, 894154135, 2937935015, 4113109021, 20565545105]

約数ペア:

[(1, 20565545105), (5, 4113109021), (7, 2937935015), (23, 894154135), (35, 587587003), (115, 178830827), (161, 127736305), (227, 90597115), (805, 25547261), (1135, 18119423), (1589, 12942445), (5221, 3939005), (7945, 2588489), (26105, 787801), (36547, 562715), (112543, 182735)]