20161331278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1\times {\mathrm{19417}}^1$

素因数の和:19972

約数の個数: 32

約数和(自身を含む): 33372551520

約数和(自身を除く): 13211220242

約数列:

[1, 2, 11, 22, 109, 218, 433, 866, 1199, 2398, 4763, 9526, 19417, 38834, 47197, 94394, 213587, 427174, 519167, 1038334, 2116453, 4232906, 8407561, 16815122, 23280983, 46561966, 92483171, 184966342, 916424149, 1832848298, 10080665639, 20161331278]

約数ペア:

[(1, 20161331278), (2, 10080665639), (11, 1832848298), (22, 916424149), (109, 184966342), (218, 92483171), (433, 46561966), (866, 23280983), (1199, 16815122), (2398, 8407561), (4763, 4232906), (9526, 2116453), (19417, 1038334), (38834, 519167), (47197, 427174), (94394, 213587)]