20942481

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26953}}^1$

素因数の和:27000

約数の個数: 16

約数和(自身を含む): 32776064

約数和(自身を除く): 11833583

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26953, 80859, 188671, 566013, 997261, 2991783, 6980827, 20942481]

約数ペア:

[(1, 20942481), (3, 6980827), (7, 2991783), (21, 997261), (37, 566013), (111, 188671), (259, 80859), (777, 26953)]