20027615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12401}}^1$

素因数の和:12442

約数の個数: 16

約数和(自身を含む): 26788320

約数和(自身を除く): 6760705

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 12401, 62005, 210817, 235619, 1054085, 1178095, 4005523, 20027615]

約数ペア:

[(1, 20027615), (5, 4005523), (17, 1178095), (19, 1054085), (85, 235619), (95, 210817), (323, 62005), (1615, 12401)]