2820683408

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{1980817}}^1$

素因数の和:1980914

約数の個数: 20

約数和(自身を含む): 5526482220

約数和(自身を除く): 2705798812

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 1980817, 3961634, 7923268, 15846536, 31693072, 176292713, 352585426, 705170852, 1410341704, 2820683408]

約数ペア:

[(1, 2820683408), (2, 1410341704), (4, 705170852), (8, 352585426), (16, 176292713), (89, 31693072), (178, 15846536), (356, 7923268), (712, 3961634), (1424, 1980817)]