20288008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195077}}^1$

素因数の和:195096

約数の個数: 16

約数和(自身を含む): 40966380

約数和(自身を除く): 20678372

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195077, 390154, 780308, 1560616, 2536001, 5072002, 10144004, 20288008]

約数ペア:

[(1, 20288008), (2, 10144004), (4, 5072002), (8, 2536001), (13, 1560616), (26, 780308), (52, 390154), (104, 195077)]