20614984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{198221}}^1$

素因数の和:198240

約数の個数: 16

約数和(自身を含む): 41626620

約数和(自身を除く): 21011636

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 198221, 396442, 792884, 1585768, 2576873, 5153746, 10307492, 20614984]

約数ペア:

[(1, 20614984), (2, 10307492), (4, 5153746), (8, 2576873), (13, 1585768), (26, 792884), (52, 396442), (104, 198221)]