20321704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195401}}^1$

素因数の和:195420

約数の個数: 16

約数和(自身を含む): 41034420

約数和(自身を除く): 20712716

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195401, 390802, 781604, 1563208, 2540213, 5080426, 10160852, 20321704]

約数ペア:

[(1, 20321704), (2, 10160852), (4, 5080426), (8, 2540213), (13, 1563208), (26, 781604), (52, 390802), (104, 195401)]