20856794

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17245606

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 881, 1246, 1691, 1762, 3382, 6167, 11837, 12334, 16739, 23674, 33478, 78409, 117173, 156818, 234346, 548863, 1097726, 1489771, 2979542, 10428397, 20856794]

約数ペア:

[(1, 20856794), (2, 10428397), (7, 2979542), (14, 1489771), (19, 1097726), (38, 548863), (89, 234346), (133, 156818), (178, 117173), (266, 78409), (623, 33478), (881, 23674), (1246, 16739), (1691, 12334), (1762, 11837), (3382, 6167)]