20819008

素因数分解:

$2^6\times 7^1\times {\mathrm{46471}}^1$

素因数の和:46490

約数の個数: 28

約数和(自身を含む): 47215552

約数和(自身を除く): 26396544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 46471, 92942, 185884, 325297, 371768, 650594, 743536, 1301188, 1487072, 2602376, 2974144, 5204752, 10409504, 20819008]

約数ペア:

[(1, 20819008), (2, 10409504), (4, 5204752), (7, 2974144), (8, 2602376), (14, 1487072), (16, 1301188), (28, 743536), (32, 650594), (56, 371768), (64, 325297), (112, 185884), (224, 92942), (448, 46471)]