20716789688

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19470667}}^1$

素因数の和:19470699

約数の個数: 32

約数和(自身を含む): 46729603200

約数和(自身を除く): 26012813512

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19470667, 38941334, 77882668, 136294669, 155765336, 272589338, 369942673, 545178676, 739885346, 1090357352, 1479770692, 2589598711, 2959541384, 5179197422, 10358394844, 20716789688]

約数ペア:

[(1, 20716789688), (2, 10358394844), (4, 5179197422), (7, 2959541384), (8, 2589598711), (14, 1479770692), (19, 1090357352), (28, 739885346), (38, 545178676), (56, 369942673), (76, 272589338), (133, 155765336), (152, 136294669), (266, 77882668), (532, 38941334), (1064, 19470667)]