20616876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27271}}^1$

素因数の和:27291

約数の個数: 48

約数和(自身を含む): 61089280

約数和(自身を除く): 40472404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27271, 54542, 81813, 109084, 163626, 190897, 245439, 327252, 381794, 490878, 572691, 736317, 763588, 981756, 1145382, 1472634, 1718073, 2290764, 2945268, 3436146, 5154219, 6872292, 10308438, 20616876]

約数ペア:

[(1, 20616876), (2, 10308438), (3, 6872292), (4, 5154219), (6, 3436146), (7, 2945268), (9, 2290764), (12, 1718073), (14, 1472634), (18, 1145382), (21, 981756), (27, 763588), (28, 736317), (36, 572691), (42, 490878), (54, 381794), (63, 327252), (84, 245439), (108, 190897), (126, 163626), (189, 109084), (252, 81813), (378, 54542), (756, 27271)]