20217817072

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5034317}}^1$

素因数の和:5034576

約数の個数: 20

約数和(自身を含む): 39328092216

約数和(自身を除く): 19110275144

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5034317, 10068634, 20137268, 40274536, 80549072, 1263613567, 2527227134, 5054454268, 10108908536, 20217817072]

約数ペア:

[(1, 20217817072), (2, 10108908536), (4, 5054454268), (8, 2527227134), (16, 1263613567), (251, 80549072), (502, 40274536), (1004, 20137268), (2008, 10068634), (4016, 5034317)]