20123795271

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3687703}}^1$

素因数の和:3687830

約数の個数: 16

約数和(自身を含む): 28675586304

約数和(自身を除く): 8551791033

約数列:

[1, 3, 17, 51, 107, 321, 1819, 5457, 3687703, 11063109, 62690951, 188072853, 394584221, 1183752663, 6707931757, 20123795271]

約数ペア:

[(1, 20123795271), (3, 6707931757), (17, 1183752663), (51, 394584221), (107, 188072853), (321, 62690951), (1819, 11063109), (5457, 3687703)]