20876595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81869}}^1$

素因数の和:81894

約数の個数: 16

約数和(自身を含む): 35367840

約数和(自身を除く): 14491245

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81869, 245607, 409345, 1228035, 1391773, 4175319, 6958865, 20876595]

約数ペア:

[(1, 20876595), (3, 6958865), (5, 4175319), (15, 1391773), (17, 1228035), (51, 409345), (85, 245607), (255, 81869)]