20776808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199777}}^1$

素因数の和:199796

約数の個数: 16

約数和(自身を含む): 41953380

約数和(自身を除く): 21176572

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199777, 399554, 799108, 1598216, 2597101, 5194202, 10388404, 20776808]

約数ペア:

[(1, 20776808), (2, 10388404), (4, 5194202), (8, 2597101), (13, 1598216), (26, 799108), (52, 399554), (104, 199777)]