20161661518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1\times {\mathrm{1759}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 31426560000

約数和(自身を除く): 11264898482

約数列:

[1, 2, 31, 62, 199, 398, 929, 1759, 1858, 3518, 6169, 12338, 28799, 54529, 57598, 109058, 184871, 350041, 369742, 700082, 1634111, 3268222, 5731001, 10851271, 11462002, 21702542, 50657441, 101314882, 325188089, 650376178, 10080830759, 20161661518]

約数ペア:

[(1, 20161661518), (2, 10080830759), (31, 650376178), (62, 325188089), (199, 101314882), (398, 50657441), (929, 21702542), (1759, 11462002), (1858, 10851271), (3518, 5731001), (6169, 3268222), (12338, 1634111), (28799, 700082), (54529, 369742), (57598, 350041), (109058, 184871)]