20779278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266401}}^1$

素因数の和:266419

約数の個数: 16

約数和(自身を含む): 44755536

約数和(自身を除く): 23976258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266401, 532802, 799203, 1598406, 3463213, 6926426, 10389639, 20779278]

約数ペア:

[(1, 20779278), (2, 10389639), (3, 6926426), (6, 3463213), (13, 1598406), (26, 799203), (39, 532802), (78, 266401)]