20899687046

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1\times {\mathrm{21107}}^1$

素因数の和:21884

約数の個数: 32

約数和(自身を含む): 36219301632

約数和(自身を除く): 15319614586

約数列:

[1, 2, 7, 14, 107, 214, 661, 749, 1322, 1498, 4627, 9254, 21107, 42214, 70727, 141454, 147749, 295498, 495089, 990178, 2258449, 4516898, 13951727, 15809143, 27903454, 31618286, 97662089, 195324178, 1492834789, 2985669578, 10449843523, 20899687046]

約数ペア:

[(1, 20899687046), (2, 10449843523), (7, 2985669578), (14, 1492834789), (107, 195324178), (214, 97662089), (661, 31618286), (749, 27903454), (1322, 15809143), (1498, 13951727), (4627, 4516898), (9254, 2258449), (21107, 990178), (42214, 495089), (70727, 295498), (141454, 147749)]