20796988

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 37322208

約数和(自身を除く): 16525220

約数列:

[1, 2, 4, 53, 106, 212, 263, 373, 526, 746, 1052, 1492, 13939, 19769, 27878, 39538, 55756, 79076, 98099, 196198, 392396, 5199247, 10398494, 20796988]

約数ペア:

[(1, 20796988), (2, 10398494), (4, 5199247), (53, 392396), (106, 196198), (212, 98099), (263, 79076), (373, 55756), (526, 39538), (746, 27878), (1052, 19769), (1492, 13939)]