20777529

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 28534464

約数和(自身を除く): 7756935

約数列:

[1, 3, 41, 123, 251, 673, 753, 2019, 10291, 27593, 30873, 82779, 168923, 506769, 6925843, 20777529]

約数ペア:

[(1, 20777529), (3, 6925843), (41, 506769), (123, 168923), (251, 82779), (673, 30873), (753, 27593), (2019, 10291)]