20655564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 51088128

約数和(自身を除く): 30432564

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 67, 69, 92, 134, 138, 201, 268, 276, 402, 804, 1117, 1541, 2234, 3082, 3351, 4468, 4623, 6164, 6702, 9246, 13404, 18492, 25691, 51382, 74839, 77073, 102764, 149678, 154146, 224517, 299356, 308292, 449034, 898068, 1721297, 3442594, 5163891, 6885188, 10327782, 20655564]

約数ペア:

[(1, 20655564), (2, 10327782), (3, 6885188), (4, 5163891), (6, 3442594), (12, 1721297), (23, 898068), (46, 449034), (67, 308292), (69, 299356), (92, 224517), (134, 154146), (138, 149678), (201, 102764), (268, 77073), (276, 74839), (402, 51382), (804, 25691), (1117, 18492), (1541, 13404), (2234, 9246), (3082, 6702), (3351, 6164), (4468, 4623)]